Finding the Third Proportional to 207,330 and 435,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,330 : 435,550.50 = 435,550.50 : x
2. Step 2: Convert to fraction form
   207,330/435,550.50 = 435,550.50/x
3. Step 3: Cross multiply
   207,330x = 435,550.50 × 435,550.50
4. Step 4: Simplify right side
   207,330x = 189,704,238,050.25
5. Step 5: Solve for x
   x = 189,704,238,050.25/207,330
6. Step 6: Final answer
   x = 914,986.92