Finding the Third Proportional to 647,548 and 980,354

Step by Step Solution

1. Step 1: Write the proportion equation
   647,548 : 980,354 = 980,354 : x
2. Step 2: Convert to fraction form
   647,548/980,354 = 980,354/x
3. Step 3: Cross multiply
   647,548x = 980,354 × 980,354
4. Step 4: Simplify right side
   647,548x = 961,093,965,316
5. Step 5: Solve for x
   x = 961,093,965,316/647,548
6. Step 6: Final answer
   x = 1,484,204.98