Finding the Third Proportional to 647,393.25 and 980,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,393.25 : 980,083.50 = 980,083.50 : x
2. Step 2: Convert to fraction form
   647,393.25/980,083.50 = 980,083.50/x
3. Step 3: Cross multiply
   647,393.25x = 980,083.50 × 980,083.50
4. Step 4: Simplify right side
   647,393.25x = 960,563,666,972.25
5. Step 5: Solve for x
   x = 960,563,666,972.25/647,393.25
6. Step 6: Final answer
   x = 1,483,740.63