Finding the Third Proportional to 647,365.69 and 980,045.53

Step by Step Solution

1. Step 1: Write the proportion equation
   647,365.69 : 980,045.53 = 980,045.53 : x
2. Step 2: Convert to fraction form
   647,365.69/980,045.53 = 980,045.53/x
3. Step 3: Cross multiply
   647,365.69x = 980,045.53 × 980,045.53
4. Step 4: Simplify right side
   647,365.69x = 960,489,243,323.10
5. Step 5: Solve for x
   x = 960,489,243,323.10/647,365.69
6. Step 6: Final answer
   x = 1,483,688.84