Finding the Third Proportional to 8,293,146 and 12,981,150

Step by Step Solution

1. Step 1: Write the proportion equation
   8,293,146 : 12,981,150 = 12,981,150 : x
2. Step 2: Convert to fraction form
   8,293,146/12,981,150 = 12,981,150/x
3. Step 3: Cross multiply
   8,293,146x = 12,981,150 × 12,981,150
4. Step 4: Simplify right side
   8,293,146x = 168,510,255,322,500
5. Step 5: Solve for x
   x = 168,510,255,322,500/8,293,146
6. Step 6: Final answer
   x = 20,319,219.67