Finding the Third Proportional to 2,439,912 and 5,299,845

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439,912 : 5,299,845 = 5,299,845 : x
2. Step 2: Convert to fraction form
   2,439,912/5,299,845 = 5,299,845/x
3. Step 3: Cross multiply
   2,439,912x = 5,299,845 × 5,299,845
4. Step 4: Simplify right side
   2,439,912x = 28,088,357,024,025
5. Step 5: Solve for x
   x = 28,088,357,024,025/2,439,912
6. Step 6: Final answer
   x = 11,512,036.92