Finding the Third Proportional to 15,230.81 and 31,680.42

Step by Step Solution

1. Step 1: Write the proportion equation
   15,230.81 : 31,680.42 = 31,680.42 : x
2. Step 2: Convert to fraction form
   15,230.81/31,680.42 = 31,680.42/x
3. Step 3: Cross multiply
   15,230.81x = 31,680.42 × 31,680.42
4. Step 4: Simplify right side
   15,230.81x = 1,003,649,130.18
5. Step 5: Solve for x
   x = 1,003,649,130.18/15,230.81
6. Step 6: Final answer
   x = 65,895.97