Finding the Third Proportional to 2,459,988 and 5,404,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459,988 : 5,404,272 = 5,404,272 : x
2. Step 2: Convert to fraction form
   2,459,988/5,404,272 = 5,404,272/x
3. Step 3: Cross multiply
   2,459,988x = 5,404,272 × 5,404,272
4. Step 4: Simplify right side
   2,459,988x = 29,206,155,849,984
5. Step 5: Solve for x
   x = 29,206,155,849,984/2,459,988
6. Step 6: Final answer
   x = 11,872,478.99