Finding the Third Proportional to 62,356 and 87,710

Step by Step Solution

1. Step 1: Write the proportion equation
   62,356 : 87,710 = 87,710 : x
2. Step 2: Convert to fraction form
   62,356/87,710 = 87,710/x
3. Step 3: Cross multiply
   62,356x = 87,710 × 87,710
4. Step 4: Simplify right side
   62,356x = 7,693,044,100
5. Step 5: Solve for x
   x = 7,693,044,100/62,356
6. Step 6: Final answer
   x = 123,372.96