Finding the Third Proportional to 647,550 and 980,356

Step by Step Solution

1. Step 1: Write the proportion equation
   647,550 : 980,356 = 980,356 : x
2. Step 2: Convert to fraction form
   647,550/980,356 = 980,356/x
3. Step 3: Cross multiply
   647,550x = 980,356 × 980,356
4. Step 4: Simplify right side
   647,550x = 961,097,886,736
5. Step 5: Solve for x
   x = 961,097,886,736/647,550
6. Step 6: Final answer
   x = 1,484,206.45