Finding the Third Proportional to 8,248,849 and 12,479,442

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248,849 : 12,479,442 = 12,479,442 : x
2. Step 2: Convert to fraction form
   8,248,849/12,479,442 = 12,479,442/x
3. Step 3: Cross multiply
   8,248,849x = 12,479,442 × 12,479,442
4. Step 4: Simplify right side
   8,248,849x = 155,736,472,631,364
5. Step 5: Solve for x
   x = 155,736,472,631,364/8,248,849
6. Step 6: Final answer
   x = 18,879,782.21