Finding the Third Proportional to 3,855,646 and 8,375,028

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,646 : 8,375,028 = 8,375,028 : x
2. Step 2: Convert to fraction form
   3,855,646/8,375,028 = 8,375,028/x
3. Step 3: Cross multiply
   3,855,646x = 8,375,028 × 8,375,028
4. Step 4: Simplify right side
   3,855,646x = 70,141,094,000,784
5. Step 5: Solve for x
   x = 70,141,094,000,784/3,855,646
6. Step 6: Final answer
   x = 18,191,787.84