Finding the Third Proportional to 15,717.16 and 34,198.45

Step by Step Solution

1. Step 1: Write the proportion equation
   15,717.16 : 34,198.45 = 34,198.45 : x
2. Step 2: Convert to fraction form
   15,717.16/34,198.45 = 34,198.45/x
3. Step 3: Cross multiply
   15,717.16x = 34,198.45 × 34,198.45
4. Step 4: Simplify right side
   15,717.16x = 1,169,534,196.14
5. Step 5: Solve for x
   x = 1,169,534,196.14/15,717.16
6. Step 6: Final answer
   x = 74,411.27