Finding the Third Proportional to 647,371 and 980,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,371 : 980,053.50 = 980,053.50 : x
2. Step 2: Convert to fraction form
   647,371/980,053.50 = 980,053.50/x
3. Step 3: Cross multiply
   647,371x = 980,053.50 × 980,053.50
4. Step 4: Simplify right side
   647,371x = 960,504,862,862.25
5. Step 5: Solve for x
   x = 960,504,862,862.25/647,371
6. Step 6: Final answer
   x = 1,483,700.79