Finding the Third Proportional to 8,407,142 and 18,103,680

Step by Step Solution

1. Step 1: Write the proportion equation
   8,407,142 : 18,103,680 = 18,103,680 : x
2. Step 2: Convert to fraction form
   8,407,142/18,103,680 = 18,103,680/x
3. Step 3: Cross multiply
   8,407,142x = 18,103,680 × 18,103,680
4. Step 4: Simplify right side
   8,407,142x = 327,743,229,542,400
5. Step 5: Solve for x
   x = 327,743,229,542,400/8,407,142
6. Step 6: Final answer
   x = 38,983,905.53