Finding the Third Proportional to 3,786,672 and 8,267,228

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,672 : 8,267,228 = 8,267,228 : x
2. Step 2: Convert to fraction form
   3,786,672/8,267,228 = 8,267,228/x
3. Step 3: Cross multiply
   3,786,672x = 8,267,228 × 8,267,228
4. Step 4: Simplify right side
   3,786,672x = 68,347,058,803,984
5. Step 5: Solve for x
   x = 68,347,058,803,984/3,786,672
6. Step 6: Final answer
   x = 18,049,373.91