Finding the Third Proportional to 8,619,402.38 and 12,854,350.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,619,402.38 : 12,854,350.69 = 12,854,350.69 : x
2. Step 2: Convert to fraction form
   8,619,402.38/12,854,350.69 = 12,854,350.69/x
3. Step 3: Cross multiply
   8,619,402.38x = 12,854,350.69 × 12,854,350.69
4. Step 4: Simplify right side
   8,619,402.38x = 165,234,331,597,231.72
5. Step 5: Solve for x
   x = 165,234,331,597,231.72/8,619,402.38
6. Step 6: Final answer
   x = 19,170,045.02