Finding the Third Proportional to 647,367.19 and 980,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   647,367.19 : 980,047.69 = 980,047.69 : x
2. Step 2: Convert to fraction form
   647,367.19/980,047.69 = 980,047.69/x
3. Step 3: Cross multiply
   647,367.19x = 980,047.69 × 980,047.69
4. Step 4: Simplify right side
   647,367.19x = 960,493,469,774.10
5. Step 5: Solve for x
   x = 960,493,469,774.10/647,367.19
6. Step 6: Final answer
   x = 1,483,691.93