Finding the Third Proportional to 3,386,146 and 7,231,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,146 : 7,231,518 = 7,231,518 : x
2. Step 2: Convert to fraction form
   3,386,146/7,231,518 = 7,231,518/x
3. Step 3: Cross multiply
   3,386,146x = 7,231,518 × 7,231,518
4. Step 4: Simplify right side
   3,386,146x = 52,294,852,584,324
5. Step 5: Solve for x
   x = 52,294,852,584,324/3,386,146
6. Step 6: Final answer
   x = 15,443,767.81