Finding the Third Proportional to 161,763.50 and 351,472

Step by Step Solution

1. Step 1: Write the proportion equation
   161,763.50 : 351,472 = 351,472 : x
2. Step 2: Convert to fraction form
   161,763.50/351,472 = 351,472/x
3. Step 3: Cross multiply
   161,763.50x = 351,472 × 351,472
4. Step 4: Simplify right side
   161,763.50x = 123,532,566,784
5. Step 5: Solve for x
   x = 123,532,566,784/161,763.50
6. Step 6: Final answer
   x = 763,661.56