Finding the Third Proportional to 7,925.63 and 12,229.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925.63 : 12,229.88 = 12,229.88 : x
2. Step 2: Convert to fraction form
   7,925.63/12,229.88 = 12,229.88/x
3. Step 3: Cross multiply
   7,925.63x = 12,229.88 × 12,229.88
4. Step 4: Simplify right side
   7,925.63x = 149,569,842.52
5. Step 5: Solve for x
   x = 149,569,842.52/7,925.63
6. Step 6: Final answer
   x = 18,871.68