Finding the Third Proportional to 3,356,474 and 5,162,139

Step by Step Solution

1. Step 1: Write the proportion equation
   3,356,474 : 5,162,139 = 5,162,139 : x
2. Step 2: Convert to fraction form
   3,356,474/5,162,139 = 5,162,139/x
3. Step 3: Cross multiply
   3,356,474x = 5,162,139 × 5,162,139
4. Step 4: Simplify right side
   3,356,474x = 26,647,679,055,321
5. Step 5: Solve for x
   x = 26,647,679,055,321/3,356,474
6. Step 6: Final answer
   x = 7,939,188.28