Finding the Third Proportional to 1,267,331 and 2,639,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,331 : 2,639,500 = 2,639,500 : x
2. Step 2: Convert to fraction form
   1,267,331/2,639,500 = 2,639,500/x
3. Step 3: Cross multiply
   1,267,331x = 2,639,500 × 2,639,500
4. Step 4: Simplify right side
   1,267,331x = 6,966,960,250,000
5. Step 5: Solve for x
   x = 6,966,960,250,000/1,267,331
6. Step 6: Final answer
   x = 5,497,348.56