Finding the Third Proportional to 647,472 and 980,238

Step by Step Solution

1. Step 1: Write the proportion equation
   647,472 : 980,238 = 980,238 : x
2. Step 2: Convert to fraction form
   647,472/980,238 = 980,238/x
3. Step 3: Cross multiply
   647,472x = 980,238 × 980,238
4. Step 4: Simplify right side
   647,472x = 960,866,536,644
5. Step 5: Solve for x
   x = 960,866,536,644/647,472
6. Step 6: Final answer
   x = 1,484,027.94