Finding the Third Proportional to 3,814,861 and 8,351,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814,861 : 8,351,432 = 8,351,432 : x
2. Step 2: Convert to fraction form
   3,814,861/8,351,432 = 8,351,432/x
3. Step 3: Cross multiply
   3,814,861x = 8,351,432 × 8,351,432
4. Step 4: Simplify right side
   3,814,861x = 69,746,416,450,624
5. Step 5: Solve for x
   x = 69,746,416,450,624/3,814,861
6. Step 6: Final answer
   x = 18,282,819.86