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Finding the Third Proportional to 78,622.75 and 104,748.75

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Solution

The third proportional to 78,622.75 and 104,748.75 is: 139,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,622.75 : 104,748.75 = 104,748.75 : x
  2. Step 2: Convert to fraction form
    78,622.75/104,748.75 = 104,748.75/x
  3. Step 3: Cross multiply
    78,622.75x = 104,748.75 × 104,748.75
  4. Step 4: Simplify right side
    78,622.75x = 10,972,300,626.56
  5. Step 5: Solve for x
    x = 10,972,300,626.56/78,622.75
  6. Step 6: Final answer
    x = 139,556.31

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