Finding the Third Proportional to 3,846,053 and 8,206,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,053 : 8,206,878 = 8,206,878 : x
2. Step 2: Convert to fraction form
   3,846,053/8,206,878 = 8,206,878/x
3. Step 3: Cross multiply
   3,846,053x = 8,206,878 × 8,206,878
4. Step 4: Simplify right side
   3,846,053x = 67,352,846,506,884
5. Step 5: Solve for x
   x = 67,352,846,506,884/3,846,053
6. Step 6: Final answer
   x = 17,512,199.26