Finding the Third Proportional to 151,300.50 and 329,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,300.50 : 329,281.50 = 329,281.50 : x
2. Step 2: Convert to fraction form
   151,300.50/329,281.50 = 329,281.50/x
3. Step 3: Cross multiply
   151,300.50x = 329,281.50 × 329,281.50
4. Step 4: Simplify right side
   151,300.50x = 108,426,306,242.25
5. Step 5: Solve for x
   x = 108,426,306,242.25/151,300.50
6. Step 6: Final answer
   x = 716,628.87