Finding the Third Proportional to 2,187,510 and 3,423,745

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,510 : 3,423,745 = 3,423,745 : x
2. Step 2: Convert to fraction form
   2,187,510/3,423,745 = 3,423,745/x
3. Step 3: Cross multiply
   2,187,510x = 3,423,745 × 3,423,745
4. Step 4: Simplify right side
   2,187,510x = 11,722,029,825,025
5. Step 5: Solve for x
   x = 11,722,029,825,025/2,187,510
6. Step 6: Final answer
   x = 5,358,617.71