Finding the Third Proportional to 3,842,208 and 8,280,288

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842,208 : 8,280,288 = 8,280,288 : x
2. Step 2: Convert to fraction form
   3,842,208/8,280,288 = 8,280,288/x
3. Step 3: Cross multiply
   3,842,208x = 8,280,288 × 8,280,288
4. Step 4: Simplify right side
   3,842,208x = 68,563,169,362,944
5. Step 5: Solve for x
   x = 68,563,169,362,944/3,842,208
6. Step 6: Final answer
   x = 17,844,731.30