Finding the Third Proportional to 147,709.50 and 229,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   147,709.50 : 229,151.25 = 229,151.25 : x
2. Step 2: Convert to fraction form
   147,709.50/229,151.25 = 229,151.25/x
3. Step 3: Cross multiply
   147,709.50x = 229,151.25 × 229,151.25
4. Step 4: Simplify right side
   147,709.50x = 52,510,295,376.56
5. Step 5: Solve for x
   x = 52,510,295,376.56/147,709.50
6. Step 6: Final answer
   x = 355,497.08