Finding the Third Proportional to 647,544 and 980,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,544 : 980,347.50 = 980,347.50 : x
2. Step 2: Convert to fraction form
   647,544/980,347.50 = 980,347.50/x
3. Step 3: Cross multiply
   647,544x = 980,347.50 × 980,347.50
4. Step 4: Simplify right side
   647,544x = 961,081,220,756.25
5. Step 5: Solve for x
   x = 961,081,220,756.25/647,544
6. Step 6: Final answer
   x = 1,484,194.47