Finding the Third Proportional to 3,872,850 and 8,188,950

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,850 : 8,188,950 = 8,188,950 : x
2. Step 2: Convert to fraction form
   3,872,850/8,188,950 = 8,188,950/x
3. Step 3: Cross multiply
   3,872,850x = 8,188,950 × 8,188,950
4. Step 4: Simplify right side
   3,872,850x = 67,058,902,102,500
5. Step 5: Solve for x
   x = 67,058,902,102,500/3,872,850
6. Step 6: Final answer
   x = 17,315,130.23