Finding the Third Proportional to 660,909 and 1,050,414

Step by Step Solution

1. Step 1: Write the proportion equation
   660,909 : 1,050,414 = 1,050,414 : x
2. Step 2: Convert to fraction form
   660,909/1,050,414 = 1,050,414/x
3. Step 3: Cross multiply
   660,909x = 1,050,414 × 1,050,414
4. Step 4: Simplify right side
   660,909x = 1,103,369,571,396
5. Step 5: Solve for x
   x = 1,103,369,571,396/660,909
6. Step 6: Final answer
   x = 1,669,472.76