Finding the Third Proportional to 158,772.38 and 342,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,772.38 : 342,472.50 = 342,472.50 : x
2. Step 2: Convert to fraction form
   158,772.38/342,472.50 = 342,472.50/x
3. Step 3: Cross multiply
   158,772.38x = 342,472.50 × 342,472.50
4. Step 4: Simplify right side
   158,772.38x = 117,287,413,256.25
5. Step 5: Solve for x
   x = 117,287,413,256.25/158,772.38
6. Step 6: Final answer
   x = 738,714.23