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Finding the Third Proportional to 77,199.75 and 115,985.25

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Solution

The third proportional to 77,199.75 and 115,985.25 is: 174,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.75 : 115,985.25 = 115,985.25 : x
  2. Step 2: Convert to fraction form
    77,199.75/115,985.25 = 115,985.25/x
  3. Step 3: Cross multiply
    77,199.75x = 115,985.25 × 115,985.25
  4. Step 4: Simplify right side
    77,199.75x = 13,452,578,217.56
  5. Step 5: Solve for x
    x = 13,452,578,217.56/77,199.75
  6. Step 6: Final answer
    x = 174,256.76

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