Finding the Third Proportional to 13,959 and 30,380.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,959 : 30,380.06 = 30,380.06 : x
2. Step 2: Convert to fraction form
   13,959/30,380.06 = 30,380.06/x
3. Step 3: Cross multiply
   13,959x = 30,380.06 × 30,380.06
4. Step 4: Simplify right side
   13,959x = 922,948,197.50
5. Step 5: Solve for x
   x = 922,948,197.50/13,959
6. Step 6: Final answer
   x = 66,118.50