Finding the Third Proportional to 3,855,692 and 8,375,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,692 : 8,375,124 = 8,375,124 : x
2. Step 2: Convert to fraction form
   3,855,692/8,375,124 = 8,375,124/x
3. Step 3: Cross multiply
   3,855,692x = 8,375,124 × 8,375,124
4. Step 4: Simplify right side
   3,855,692x = 70,142,702,015,376
5. Step 5: Solve for x
   x = 70,142,702,015,376/3,855,692
6. Step 6: Final answer
   x = 18,191,987.85