Finding the Third Proportional to 3,786,454 and 8,150,274

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,454 : 8,150,274 = 8,150,274 : x
2. Step 2: Convert to fraction form
   3,786,454/8,150,274 = 8,150,274/x
3. Step 3: Cross multiply
   3,786,454x = 8,150,274 × 8,150,274
4. Step 4: Simplify right side
   3,786,454x = 66,426,966,275,076
5. Step 5: Solve for x
   x = 66,426,966,275,076/3,786,454
6. Step 6: Final answer
   x = 17,543,317.91