Finding the Third Proportional to 667,980 and 1,359,292

Step by Step Solution

1. Step 1: Write the proportion equation
   667,980 : 1,359,292 = 1,359,292 : x
2. Step 2: Convert to fraction form
   667,980/1,359,292 = 1,359,292/x
3. Step 3: Cross multiply
   667,980x = 1,359,292 × 1,359,292
4. Step 4: Simplify right side
   667,980x = 1,847,674,741,264
5. Step 5: Solve for x
   x = 1,847,674,741,264/667,980
6. Step 6: Final answer
   x = 2,766,062.97