Finding the Third Proportional to 1,836,662 and 3,972,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,662 : 3,972,510 = 3,972,510 : x
2. Step 2: Convert to fraction form
   1,836,662/3,972,510 = 3,972,510/x
3. Step 3: Cross multiply
   1,836,662x = 3,972,510 × 3,972,510
4. Step 4: Simplify right side
   1,836,662x = 15,780,835,700,100
5. Step 5: Solve for x
   x = 15,780,835,700,100/1,836,662
6. Step 6: Final answer
   x = 8,592,128.38