Finding the Third Proportional to 2,391,247 and 5,173,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,247 : 5,173,238 = 5,173,238 : x
2. Step 2: Convert to fraction form
   2,391,247/5,173,238 = 5,173,238/x
3. Step 3: Cross multiply
   2,391,247x = 5,173,238 × 5,173,238
4. Step 4: Simplify right side
   2,391,247x = 26,762,391,404,644
5. Step 5: Solve for x
   x = 26,762,391,404,644/2,391,247
6. Step 6: Final answer
   x = 11,191,813.90