Finding the Third Proportional to 8,248,854 and 12,479,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248,854 : 12,479,449.50 = 12,479,449.50 : x
2. Step 2: Convert to fraction form
   8,248,854/12,479,449.50 = 12,479,449.50/x
3. Step 3: Cross multiply
   8,248,854x = 12,479,449.50 × 12,479,449.50
4. Step 4: Simplify right side
   8,248,854x = 155,736,659,823,050.25
5. Step 5: Solve for x
   x = 155,736,659,823,050.25/8,248,854
6. Step 6: Final answer
   x = 18,879,793.46