Finding the Third Proportional to 147,706.88 and 229,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,706.88 : 229,147.31 = 229,147.31 : x
2. Step 2: Convert to fraction form
   147,706.88/229,147.31 = 229,147.31/x
3. Step 3: Cross multiply
   147,706.88x = 229,147.31 × 229,147.31
4. Step 4: Simplify right side
   147,706.88x = 52,508,490,825.97
5. Step 5: Solve for x
   x = 52,508,490,825.97/147,706.88
6. Step 6: Final answer
   x = 355,491.18