Finding the Third Proportional to 2,391,243 and 5,173,230

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,243 : 5,173,230 = 5,173,230 : x
2. Step 2: Convert to fraction form
   2,391,243/5,173,230 = 5,173,230/x
3. Step 3: Cross multiply
   2,391,243x = 5,173,230 × 5,173,230
4. Step 4: Simplify right side
   2,391,243x = 26,762,308,632,900
5. Step 5: Solve for x
   x = 26,762,308,632,900/2,391,243
6. Step 6: Final answer
   x = 11,191,798.00