Finding the Third Proportional to 3,863,142 and 5,246,656

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863,142 : 5,246,656 = 5,246,656 : x
2. Step 2: Convert to fraction form
   3,863,142/5,246,656 = 5,246,656/x
3. Step 3: Cross multiply
   3,863,142x = 5,246,656 × 5,246,656
4. Step 4: Simplify right side
   3,863,142x = 27,527,399,182,336
5. Step 5: Solve for x
   x = 27,527,399,182,336/3,863,142
6. Step 6: Final answer
   x = 7,125,650.36