Finding the Third Proportional to 14,220 and 30,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,220 : 30,961.50 = 30,961.50 : x
2. Step 2: Convert to fraction form
   14,220/30,961.50 = 30,961.50/x
3. Step 3: Cross multiply
   14,220x = 30,961.50 × 30,961.50
4. Step 4: Simplify right side
   14,220x = 958,614,482.25
5. Step 5: Solve for x
   x = 958,614,482.25/14,220
6. Step 6: Final answer
   x = 67,413.11