Finding the Third Proportional to 307,317 and 465,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   307,317 : 465,262.50 = 465,262.50 : x
2. Step 2: Convert to fraction form
   307,317/465,262.50 = 465,262.50/x
3. Step 3: Cross multiply
   307,317x = 465,262.50 × 465,262.50
4. Step 4: Simplify right side
   307,317x = 216,469,193,906.25
5. Step 5: Solve for x
   x = 216,469,193,906.25/307,317
6. Step 6: Final answer
   x = 704,384.05