Finding the Third Proportional to 647,372 and 980,054

Step by Step Solution

1. Step 1: Write the proportion equation
   647,372 : 980,054 = 980,054 : x
2. Step 2: Convert to fraction form
   647,372/980,054 = 980,054/x
3. Step 3: Cross multiply
   647,372x = 980,054 × 980,054
4. Step 4: Simplify right side
   647,372x = 960,505,842,916
5. Step 5: Solve for x
   x = 960,505,842,916/647,372
6. Step 6: Final answer
   x = 1,483,700.01