Finding the Third Proportional to 156,552.50 and 338,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,552.50 : 338,111.50 = 338,111.50 : x
2. Step 2: Convert to fraction form
   156,552.50/338,111.50 = 338,111.50/x
3. Step 3: Cross multiply
   156,552.50x = 338,111.50 × 338,111.50
4. Step 4: Simplify right side
   156,552.50x = 114,319,386,432.25
5. Step 5: Solve for x
   x = 114,319,386,432.25/156,552.50
6. Step 6: Final answer
   x = 730,230.35