Finding the Third Proportional to 11,579,142 and 17,031,915

Step by Step Solution

1. Step 1: Write the proportion equation
   11,579,142 : 17,031,915 = 17,031,915 : x
2. Step 2: Convert to fraction form
   11,579,142/17,031,915 = 17,031,915/x
3. Step 3: Cross multiply
   11,579,142x = 17,031,915 × 17,031,915
4. Step 4: Simplify right side
   11,579,142x = 290,086,128,567,225
5. Step 5: Solve for x
   x = 290,086,128,567,225/11,579,142
6. Step 6: Final answer
   x = 25,052,471.81