Finding the Third Proportional to 647,370 and 980,051

Step by Step Solution

1. Step 1: Write the proportion equation
   647,370 : 980,051 = 980,051 : x
2. Step 2: Convert to fraction form
   647,370/980,051 = 980,051/x
3. Step 3: Cross multiply
   647,370x = 980,051 × 980,051
4. Step 4: Simplify right side
   647,370x = 960,499,962,601
5. Step 5: Solve for x
   x = 960,499,962,601/647,370
6. Step 6: Final answer
   x = 1,483,695.51