Finding the Third Proportional to 3,858,630 and 8,381,532

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858,630 : 8,381,532 = 8,381,532 : x
2. Step 2: Convert to fraction form
   3,858,630/8,381,532 = 8,381,532/x
3. Step 3: Cross multiply
   3,858,630x = 8,381,532 × 8,381,532
4. Step 4: Simplify right side
   3,858,630x = 70,250,078,667,024
5. Step 5: Solve for x
   x = 70,250,078,667,024/3,858,630
6. Step 6: Final answer
   x = 18,205,963.95