Finding the Third Proportional to 18,234 and 38,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,234 : 38,443.50 = 38,443.50 : x
2. Step 2: Convert to fraction form
   18,234/38,443.50 = 38,443.50/x
3. Step 3: Cross multiply
   18,234x = 38,443.50 × 38,443.50
4. Step 4: Simplify right side
   18,234x = 1,477,902,692.25
5. Step 5: Solve for x
   x = 1,477,902,692.25/18,234
6. Step 6: Final answer
   x = 81,052.03