Finding the Third Proportional to 8,293,143 and 12,981,146.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,293,143 : 12,981,146.25 = 12,981,146.25 : x
2. Step 2: Convert to fraction form
   8,293,143/12,981,146.25 = 12,981,146.25/x
3. Step 3: Cross multiply
   8,293,143x = 12,981,146.25 × 12,981,146.25
4. Step 4: Simplify right side
   8,293,143x = 168,510,157,963,889.06
5. Step 5: Solve for x
   x = 168,510,157,963,889.06/8,293,143
6. Step 6: Final answer
   x = 20,319,215.28