Finding the Third Proportional to 114,478.50 and 239,406

Step by Step Solution

1. Step 1: Write the proportion equation
   114,478.50 : 239,406 = 239,406 : x
2. Step 2: Convert to fraction form
   114,478.50/239,406 = 239,406/x
3. Step 3: Cross multiply
   114,478.50x = 239,406 × 239,406
4. Step 4: Simplify right side
   114,478.50x = 57,315,232,836
5. Step 5: Solve for x
   x = 57,315,232,836/114,478.50
6. Step 6: Final answer
   x = 500,663.73