Finding the Third Proportional to 647,963 and 1,439,741

Step by Step Solution

1. Step 1: Write the proportion equation
   647,963 : 1,439,741 = 1,439,741 : x
2. Step 2: Convert to fraction form
   647,963/1,439,741 = 1,439,741/x
3. Step 3: Cross multiply
   647,963x = 1,439,741 × 1,439,741
4. Step 4: Simplify right side
   647,963x = 2,072,854,147,081
5. Step 5: Solve for x
   x = 2,072,854,147,081/647,963
6. Step 6: Final answer
   x = 3,199,031.65