Finding the Third Proportional to 647,353.50 and 980,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,353.50 : 980,026.50 = 980,026.50 : x
2. Step 2: Convert to fraction form
   647,353.50/980,026.50 = 980,026.50/x
3. Step 3: Cross multiply
   647,353.50x = 980,026.50 × 980,026.50
4. Step 4: Simplify right side
   647,353.50x = 960,451,940,702.25
5. Step 5: Solve for x
   x = 960,451,940,702.25/647,353.50
6. Step 6: Final answer
   x = 1,483,659.15