Finding the Third Proportional to 3,386,143 and 7,231,515

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,143 : 7,231,515 = 7,231,515 : x
2. Step 2: Convert to fraction form
   3,386,143/7,231,515 = 7,231,515/x
3. Step 3: Cross multiply
   3,386,143x = 7,231,515 × 7,231,515
4. Step 4: Simplify right side
   3,386,143x = 52,294,809,195,225
5. Step 5: Solve for x
   x = 52,294,809,195,225/3,386,143
6. Step 6: Final answer
   x = 15,443,768.68