Finding the Third Proportional to 2,479,380 and 5,430,504

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,380 : 5,430,504 = 5,430,504 : x
2. Step 2: Convert to fraction form
   2,479,380/5,430,504 = 5,430,504/x
3. Step 3: Cross multiply
   2,479,380x = 5,430,504 × 5,430,504
4. Step 4: Simplify right side
   2,479,380x = 29,490,373,694,016
5. Step 5: Solve for x
   x = 29,490,373,694,016/2,479,380
6. Step 6: Final answer
   x = 11,894,253.28