Finding the Third Proportional to 3,853,422 and 8,393,382

Step by Step Solution

1. Step 1: Write the proportion equation
   3,853,422 : 8,393,382 = 8,393,382 : x
2. Step 2: Convert to fraction form
   3,853,422/8,393,382 = 8,393,382/x
3. Step 3: Cross multiply
   3,853,422x = 8,393,382 × 8,393,382
4. Step 4: Simplify right side
   3,853,422x = 70,448,861,397,924
5. Step 5: Solve for x
   x = 70,448,861,397,924/3,853,422
6. Step 6: Final answer
   x = 18,282,155.81