Finding the Third Proportional to 8,293,633.50 and 12,981,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,293,633.50 : 12,981,778.50 = 12,981,778.50 : x
2. Step 2: Convert to fraction form
   8,293,633.50/12,981,778.50 = 12,981,778.50/x
3. Step 3: Cross multiply
   8,293,633.50x = 12,981,778.50 × 12,981,778.50
4. Step 4: Simplify right side
   8,293,633.50x = 168,526,573,023,062.25
5. Step 5: Solve for x
   x = 168,526,573,023,062.25/8,293,633.50
6. Step 6: Final answer
   x = 20,319,992.80