Finding the Third Proportional to 3,818,280 and 8,234,028

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818,280 : 8,234,028 = 8,234,028 : x
2. Step 2: Convert to fraction form
   3,818,280/8,234,028 = 8,234,028/x
3. Step 3: Cross multiply
   3,818,280x = 8,234,028 × 8,234,028
4. Step 4: Simplify right side
   3,818,280x = 67,799,217,104,784
5. Step 5: Solve for x
   x = 67,799,217,104,784/3,818,280
6. Step 6: Final answer
   x = 17,756,481.22