Finding the Third Proportional to 2,609,712 and 5,732,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,712 : 5,732,640 = 5,732,640 : x
2. Step 2: Convert to fraction form
   2,609,712/5,732,640 = 5,732,640/x
3. Step 3: Cross multiply
   2,609,712x = 5,732,640 × 5,732,640
4. Step 4: Simplify right side
   2,609,712x = 32,863,161,369,600
5. Step 5: Solve for x
   x = 32,863,161,369,600/2,609,712
6. Step 6: Final answer
   x = 12,592,639.10