Finding the Third Proportional to 15,536.81 and 31,888.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,536.81 : 31,888.69 = 31,888.69 : x
2. Step 2: Convert to fraction form
   15,536.81/31,888.69 = 31,888.69/x
3. Step 3: Cross multiply
   15,536.81x = 31,888.69 × 31,888.69
4. Step 4: Simplify right side
   15,536.81x = 1,016,888,390.47
5. Step 5: Solve for x
   x = 1,016,888,390.47/15,536.81
6. Step 6: Final answer
   x = 65,450.26