Finding the Third Proportional to 2,501,391 and 5,454,438

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501,391 : 5,454,438 = 5,454,438 : x
2. Step 2: Convert to fraction form
   2,501,391/5,454,438 = 5,454,438/x
3. Step 3: Cross multiply
   2,501,391x = 5,454,438 × 5,454,438
4. Step 4: Simplify right side
   2,501,391x = 29,750,893,895,844
5. Step 5: Solve for x
   x = 29,750,893,895,844/2,501,391
6. Step 6: Final answer
   x = 11,893,739.88