Finding the Third Proportional to 8,248,848 and 12,479,440

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248,848 : 12,479,440 = 12,479,440 : x
2. Step 2: Convert to fraction form
   8,248,848/12,479,440 = 12,479,440/x
3. Step 3: Cross multiply
   8,248,848x = 12,479,440 × 12,479,440
4. Step 4: Simplify right side
   8,248,848x = 155,736,422,713,600
5. Step 5: Solve for x
   x = 155,736,422,713,600/8,248,848
6. Step 6: Final answer
   x = 18,879,778.45