Finding the Third Proportional to 8,664,853.50 and 12,113,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,664,853.50 : 12,113,380.50 = 12,113,380.50 : x
2. Step 2: Convert to fraction form
   8,664,853.50/12,113,380.50 = 12,113,380.50/x
3. Step 3: Cross multiply
   8,664,853.50x = 12,113,380.50 × 12,113,380.50
4. Step 4: Simplify right side
   8,664,853.50x = 146,733,987,137,780.25
5. Step 5: Solve for x
   x = 146,733,987,137,780.25/8,664,853.50
6. Step 6: Final answer
   x = 16,934,387.54