Finding the Third Proportional to 62,464 and 87,872

Step by Step Solution

1. Step 1: Write the proportion equation
   62,464 : 87,872 = 87,872 : x
2. Step 2: Convert to fraction form
   62,464/87,872 = 87,872/x
3. Step 3: Cross multiply
   62,464x = 87,872 × 87,872
4. Step 4: Simplify right side
   62,464x = 7,721,488,384
5. Step 5: Solve for x
   x = 7,721,488,384/62,464
6. Step 6: Final answer
   x = 123,615.02