Finding the Third Proportional to 42,931.50 and 62,448

Step by Step Solution

1. Step 1: Write the proportion equation
   42,931.50 : 62,448 = 62,448 : x
2. Step 2: Convert to fraction form
   42,931.50/62,448 = 62,448/x
3. Step 3: Cross multiply
   42,931.50x = 62,448 × 62,448
4. Step 4: Simplify right side
   42,931.50x = 3,899,752,704
5. Step 5: Solve for x
   x = 3,899,752,704/42,931.50
6. Step 6: Final answer
   x = 90,836.63