Finding the Third Proportional to 2,508,126 and 5,418,660

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508,126 : 5,418,660 = 5,418,660 : x
2. Step 2: Convert to fraction form
   2,508,126/5,418,660 = 5,418,660/x
3. Step 3: Cross multiply
   2,508,126x = 5,418,660 × 5,418,660
4. Step 4: Simplify right side
   2,508,126x = 29,361,876,195,600
5. Step 5: Solve for x
   x = 29,361,876,195,600/2,508,126
6. Step 6: Final answer
   x = 11,706,699.02