Finding the Third Proportional to 113,947.50 and 235,188

Step by Step Solution

1. Step 1: Write the proportion equation
   113,947.50 : 235,188 = 235,188 : x
2. Step 2: Convert to fraction form
   113,947.50/235,188 = 235,188/x
3. Step 3: Cross multiply
   113,947.50x = 235,188 × 235,188
4. Step 4: Simplify right side
   113,947.50x = 55,313,395,344
5. Step 5: Solve for x
   x = 55,313,395,344/113,947.50
6. Step 6: Final answer
   x = 485,428.78