Finding the Third Proportional to 3,812,772 and 8,381,208

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,772 : 8,381,208 = 8,381,208 : x
2. Step 2: Convert to fraction form
   3,812,772/8,381,208 = 8,381,208/x
3. Step 3: Cross multiply
   3,812,772x = 8,381,208 × 8,381,208
4. Step 4: Simplify right side
   3,812,772x = 70,244,647,539,264
5. Step 5: Solve for x
   x = 70,244,647,539,264/3,812,772
6. Step 6: Final answer
   x = 18,423,511.17