Finding the Third Proportional to 11,231,042 and 17,768,499

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231,042 : 17,768,499 = 17,768,499 : x
2. Step 2: Convert to fraction form
   11,231,042/17,768,499 = 17,768,499/x
3. Step 3: Cross multiply
   11,231,042x = 17,768,499 × 17,768,499
4. Step 4: Simplify right side
   11,231,042x = 315,719,556,713,001
5. Step 5: Solve for x
   x = 315,719,556,713,001/11,231,042
6. Step 6: Final answer
   x = 28,111,332.56