Finding the Third Proportional to 647,404 and 980,106

Step by Step Solution

1. Step 1: Write the proportion equation
   647,404 : 980,106 = 980,106 : x
2. Step 2: Convert to fraction form
   647,404/980,106 = 980,106/x
3. Step 3: Cross multiply
   647,404x = 980,106 × 980,106
4. Step 4: Simplify right side
   647,404x = 960,607,771,236
5. Step 5: Solve for x
   x = 960,607,771,236/647,404
6. Step 6: Final answer
   x = 1,483,784.12