Finding the Third Proportional to 58,448 and 90,472

Step by Step Solution

1. Step 1: Write the proportion equation
   58,448 : 90,472 = 90,472 : x
2. Step 2: Convert to fraction form
   58,448/90,472 = 90,472/x
3. Step 3: Cross multiply
   58,448x = 90,472 × 90,472
4. Step 4: Simplify right side
   58,448x = 8,185,182,784
5. Step 5: Solve for x
   x = 8,185,182,784/58,448
6. Step 6: Final answer
   x = 140,042.14