Finding the Third Proportional to 13,765.50 and 30,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,765.50 : 30,271.50 = 30,271.50 : x
2. Step 2: Convert to fraction form
   13,765.50/30,271.50 = 30,271.50/x
3. Step 3: Cross multiply
   13,765.50x = 30,271.50 × 30,271.50
4. Step 4: Simplify right side
   13,765.50x = 916,363,712.25
5. Step 5: Solve for x
   x = 916,363,712.25/13,765.50
6. Step 6: Final answer
   x = 66,569.59