Finding the Third Proportional to 3,786,472 and 8,150,311

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,472 : 8,150,311 = 8,150,311 : x
2. Step 2: Convert to fraction form
   3,786,472/8,150,311 = 8,150,311/x
3. Step 3: Cross multiply
   3,786,472x = 8,150,311 × 8,150,311
4. Step 4: Simplify right side
   3,786,472x = 66,427,569,396,721
5. Step 5: Solve for x
   x = 66,427,569,396,721/3,786,472
6. Step 6: Final answer
   x = 17,543,393.80