Finding the Third Proportional to 8,134,780.50 and 12,285,540

Step by Step Solution

1. Step 1: Write the proportion equation
   8,134,780.50 : 12,285,540 = 12,285,540 : x
2. Step 2: Convert to fraction form
   8,134,780.50/12,285,540 = 12,285,540/x
3. Step 3: Cross multiply
   8,134,780.50x = 12,285,540 × 12,285,540
4. Step 4: Simplify right side
   8,134,780.50x = 150,934,493,091,600
5. Step 5: Solve for x
   x = 150,934,493,091,600/8,134,780.50
6. Step 6: Final answer
   x = 18,554,218.28