Finding the Third Proportional to 10,139.50 and 15,168

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139.50 : 15,168 = 15,168 : x
2. Step 2: Convert to fraction form
   10,139.50/15,168 = 15,168/x
3. Step 3: Cross multiply
   10,139.50x = 15,168 × 15,168
4. Step 4: Simplify right side
   10,139.50x = 230,068,224
5. Step 5: Solve for x
   x = 230,068,224/10,139.50
6. Step 6: Final answer
   x = 22,690.29