Finding the Third Proportional to 10,419.50 and 14,156

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.50 : 14,156 = 14,156 : x
2. Step 2: Convert to fraction form
   10,419.50/14,156 = 14,156/x
3. Step 3: Cross multiply
   10,419.50x = 14,156 × 14,156
4. Step 4: Simplify right side
   10,419.50x = 200,392,336
5. Step 5: Solve for x
   x = 200,392,336/10,419.50
6. Step 6: Final answer
   x = 19,232.43