Finding the Third Proportional to 7,213.50 and 12,152.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,213.50 : 12,152.25 = 12,152.25 : x
2. Step 2: Convert to fraction form
   7,213.50/12,152.25 = 12,152.25/x
3. Step 3: Cross multiply
   7,213.50x = 12,152.25 × 12,152.25
4. Step 4: Simplify right side
   7,213.50x = 147,677,180.06
5. Step 5: Solve for x
   x = 147,677,180.06/7,213.50
6. Step 6: Final answer
   x = 20,472.33