Finding the Third Proportional to 541,574.50 and 757,115

Step by Step Solution

1. Step 1: Write the proportion equation
   541,574.50 : 757,115 = 757,115 : x
2. Step 2: Convert to fraction form
   541,574.50/757,115 = 757,115/x
3. Step 3: Cross multiply
   541,574.50x = 757,115 × 757,115
4. Step 4: Simplify right side
   541,574.50x = 573,223,123,225
5. Step 5: Solve for x
   x = 573,223,123,225/541,574.50
6. Step 6: Final answer
   x = 1,058,438.17