Finding the Third Proportional to 340,208 and 500,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,208 : 500,469.50 = 500,469.50 : x
2. Step 2: Convert to fraction form
   340,208/500,469.50 = 500,469.50/x
3. Step 3: Cross multiply
   340,208x = 500,469.50 × 500,469.50
4. Step 4: Simplify right side
   340,208x = 250,469,720,430.25
5. Step 5: Solve for x
   x = 250,469,720,430.25/340,208
6. Step 6: Final answer
   x = 736,225.25