Finding the Third Proportional to 2,507,187 and 5,413,379

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507,187 : 5,413,379 = 5,413,379 : x
2. Step 2: Convert to fraction form
   2,507,187/5,413,379 = 5,413,379/x
3. Step 3: Cross multiply
   2,507,187x = 5,413,379 × 5,413,379
4. Step 4: Simplify right side
   2,507,187x = 29,304,672,197,641
5. Step 5: Solve for x
   x = 29,304,672,197,641/2,507,187
6. Step 6: Final answer
   x = 11,688,267.45