Finding the Third Proportional to 3,786,470 and 8,150,310

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,470 : 8,150,310 = 8,150,310 : x
2. Step 2: Convert to fraction form
   3,786,470/8,150,310 = 8,150,310/x
3. Step 3: Cross multiply
   3,786,470x = 8,150,310 × 8,150,310
4. Step 4: Simplify right side
   3,786,470x = 66,427,553,096,100
5. Step 5: Solve for x
   x = 66,427,553,096,100/3,786,470
6. Step 6: Final answer
   x = 17,543,398.76