Finding the Third Proportional to 3,818,242 and 8,234,244

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818,242 : 8,234,244 = 8,234,244 : x
2. Step 2: Convert to fraction form
   3,818,242/8,234,244 = 8,234,244/x
3. Step 3: Cross multiply
   3,818,242x = 8,234,244 × 8,234,244
4. Step 4: Simplify right side
   3,818,242x = 67,802,774,251,536
5. Step 5: Solve for x
   x = 67,802,774,251,536/3,818,242
6. Step 6: Final answer
   x = 17,757,589.55