Finding the Third Proportional to 2,391,242 and 5,173,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,242 : 5,173,228 = 5,173,228 : x
2. Step 2: Convert to fraction form
   2,391,242/5,173,228 = 5,173,228/x
3. Step 3: Cross multiply
   2,391,242x = 5,173,228 × 5,173,228
4. Step 4: Simplify right side
   2,391,242x = 26,762,287,939,984
5. Step 5: Solve for x
   x = 26,762,287,939,984/2,391,242
6. Step 6: Final answer
   x = 11,191,794.03