Finding the Third Proportional to 2,398,188 and 5,138,252

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398,188 : 5,138,252 = 5,138,252 : x
2. Step 2: Convert to fraction form
   2,398,188/5,138,252 = 5,138,252/x
3. Step 3: Cross multiply
   2,398,188x = 5,138,252 × 5,138,252
4. Step 4: Simplify right side
   2,398,188x = 26,401,633,615,504
5. Step 5: Solve for x
   x = 26,401,633,615,504/2,398,188
6. Step 6: Final answer
   x = 11,008,992.46