Finding the Third Proportional to 296,952 and 647,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,952 : 647,503.50 = 647,503.50 : x
2. Step 2: Convert to fraction form
   296,952/647,503.50 = 647,503.50/x
3. Step 3: Cross multiply
   296,952x = 647,503.50 × 647,503.50
4. Step 4: Simplify right side
   296,952x = 419,260,782,512.25
5. Step 5: Solve for x
   x = 419,260,782,512.25/296,952
6. Step 6: Final answer
   x = 1,411,880.65