Finding the Third Proportional to 12,153.16 and 18,748.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,153.16 : 18,748.34 = 18,748.34 : x
2. Step 2: Convert to fraction form
   12,153.16/18,748.34 = 18,748.34/x
3. Step 3: Cross multiply
   12,153.16x = 18,748.34 × 18,748.34
4. Step 4: Simplify right side
   12,153.16x = 351,500,100.43
5. Step 5: Solve for x
   x = 351,500,100.43/12,153.16
6. Step 6: Final answer
   x = 28,922.52