Finding the Third Proportional to 3,939,950 and 8,627,233

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,950 : 8,627,233 = 8,627,233 : x
2. Step 2: Convert to fraction form
   3,939,950/8,627,233 = 8,627,233/x
3. Step 3: Cross multiply
   3,939,950x = 8,627,233 × 8,627,233
4. Step 4: Simplify right side
   3,939,950x = 74,429,149,236,289
5. Step 5: Solve for x
   x = 74,429,149,236,289/3,939,950
6. Step 6: Final answer
   x = 18,890,886.75