Finding the Third Proportional to 13,761.75 and 30,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,761.75 : 30,211.50 = 30,211.50 : x
2. Step 2: Convert to fraction form
   13,761.75/30,211.50 = 30,211.50/x
3. Step 3: Cross multiply
   13,761.75x = 30,211.50 × 30,211.50
4. Step 4: Simplify right side
   13,761.75x = 912,734,732.25
5. Step 5: Solve for x
   x = 912,734,732.25/13,761.75
6. Step 6: Final answer
   x = 66,324.03