Finding the Third Proportional to 28,591.38 and 62,721.13

Step by Step Solution

1. Step 1: Write the proportion equation
   28,591.38 : 62,721.13 = 62,721.13 : x
2. Step 2: Convert to fraction form
   28,591.38/62,721.13 = 62,721.13/x
3. Step 3: Cross multiply
   28,591.38x = 62,721.13 × 62,721.13
4. Step 4: Simplify right side
   28,591.38x = 3,933,939,521.27
5. Step 5: Solve for x
   x = 3,933,939,521.27/28,591.38
6. Step 6: Final answer
   x = 137,591.83