Finding the Third Proportional to 7,981.88 and 12,084.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,981.88 : 12,084.19 = 12,084.19 : x
2. Step 2: Convert to fraction form
   7,981.88/12,084.19 = 12,084.19/x
3. Step 3: Cross multiply
   7,981.88x = 12,084.19 × 12,084.19
4. Step 4: Simplify right side
   7,981.88x = 146,027,587.54
5. Step 5: Solve for x
   x = 146,027,587.54/7,981.88
6. Step 6: Final answer
   x = 18,294.90