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Finding the Third Proportional to 21,256,749 and 31,879,575

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Solution

The third proportional to 21,256,749 and 31,879,575 is: 47,811,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,749 : 31,879,575 = 31,879,575 : x
  2. Step 2: Convert to fraction form
    21,256,749/31,879,575 = 31,879,575/x
  3. Step 3: Cross multiply
    21,256,749x = 31,879,575 × 31,879,575
  4. Step 4: Simplify right side
    21,256,749x = 1,016,307,302,180,625
  5. Step 5: Solve for x
    x = 1,016,307,302,180,625/21,256,749
  6. Step 6: Final answer
    x = 47,811,041.20

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