Finding the Third Proportional to 3,812,776 and 8,381,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,776 : 8,381,216 = 8,381,216 : x
2. Step 2: Convert to fraction form
   3,812,776/8,381,216 = 8,381,216/x
3. Step 3: Cross multiply
   3,812,776x = 8,381,216 × 8,381,216
4. Step 4: Simplify right side
   3,812,776x = 70,244,781,638,656
5. Step 5: Solve for x
   x = 70,244,781,638,656/3,812,776
6. Step 6: Final answer
   x = 18,423,527.02