Finding the Third Proportional to 166,651.50 and 251,448

Step by Step Solution

1. Step 1: Write the proportion equation
   166,651.50 : 251,448 = 251,448 : x
2. Step 2: Convert to fraction form
   166,651.50/251,448 = 251,448/x
3. Step 3: Cross multiply
   166,651.50x = 251,448 × 251,448
4. Step 4: Simplify right side
   166,651.50x = 63,226,096,704
5. Step 5: Solve for x
   x = 63,226,096,704/166,651.50
6. Step 6: Final answer
   x = 379,391.10