Finding the Third Proportional to 3,311,460 and 7,145,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,311,460 : 7,145,488 = 7,145,488 : x
2. Step 2: Convert to fraction form
   3,311,460/7,145,488 = 7,145,488/x
3. Step 3: Cross multiply
   3,311,460x = 7,145,488 × 7,145,488
4. Step 4: Simplify right side
   3,311,460x = 51,057,998,758,144
5. Step 5: Solve for x
   x = 51,057,998,758,144/3,311,460
6. Step 6: Final answer
   x = 15,418,576.33