Finding the Third Proportional to 1,366,614 and 2,121,545

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,614 : 2,121,545 = 2,121,545 : x
2. Step 2: Convert to fraction form
   1,366,614/2,121,545 = 2,121,545/x
3. Step 3: Cross multiply
   1,366,614x = 2,121,545 × 2,121,545
4. Step 4: Simplify right side
   1,366,614x = 4,500,953,187,025
5. Step 5: Solve for x
   x = 4,500,953,187,025/1,366,614
6. Step 6: Final answer
   x = 3,293,507.30