Finding the Third Proportional to 13,799.50 and 30,000

Step by Step Solution

1. Step 1: Write the proportion equation
   13,799.50 : 30,000 = 30,000 : x
2. Step 2: Convert to fraction form
   13,799.50/30,000 = 30,000/x
3. Step 3: Cross multiply
   13,799.50x = 30,000 × 30,000
4. Step 4: Simplify right side
   13,799.50x = 900,000,000
5. Step 5: Solve for x
   x = 900,000,000/13,799.50
6. Step 6: Final answer
   x = 65,219.75