Finding the Third Proportional to 151,158 and 329,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,158 : 329,947.50 = 329,947.50 : x
2. Step 2: Convert to fraction form
   151,158/329,947.50 = 329,947.50/x
3. Step 3: Cross multiply
   151,158x = 329,947.50 × 329,947.50
4. Step 4: Simplify right side
   151,158x = 108,865,352,756.25
5. Step 5: Solve for x
   x = 108,865,352,756.25/151,158
6. Step 6: Final answer
   x = 720,209.00