Finding the Third Proportional to 8,293,141.50 and 12,981,144

Step by Step Solution

1. Step 1: Write the proportion equation
   8,293,141.50 : 12,981,144 = 12,981,144 : x
2. Step 2: Convert to fraction form
   8,293,141.50/12,981,144 = 12,981,144/x
3. Step 3: Cross multiply
   8,293,141.50x = 12,981,144 × 12,981,144
4. Step 4: Simplify right side
   8,293,141.50x = 168,510,099,548,736
5. Step 5: Solve for x
   x = 168,510,099,548,736/8,293,141.50
6. Step 6: Final answer
   x = 20,319,211.91