Finding the Third Proportional to 2,398,186 and 5,138,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398,186 : 5,138,248 = 5,138,248 : x
2. Step 2: Convert to fraction form
   2,398,186/5,138,248 = 5,138,248/x
3. Step 3: Cross multiply
   2,398,186x = 5,138,248 × 5,138,248
4. Step 4: Simplify right side
   2,398,186x = 26,401,592,509,504
5. Step 5: Solve for x
   x = 26,401,592,509,504/2,398,186
6. Step 6: Final answer
   x = 11,008,984.50