Finding the Third Proportional to 2,000,115 and 4,238,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,115 : 4,238,268 = 4,238,268 : x
2. Step 2: Convert to fraction form
   2,000,115/4,238,268 = 4,238,268/x
3. Step 3: Cross multiply
   2,000,115x = 4,238,268 × 4,238,268
4. Step 4: Simplify right side
   2,000,115x = 17,962,915,639,824
5. Step 5: Solve for x
   x = 17,962,915,639,824/2,000,115
6. Step 6: Final answer
   x = 8,980,941.42