Finding the Third Proportional to 113,068.50 and 235,440

Step by Step Solution

1. Step 1: Write the proportion equation
   113,068.50 : 235,440 = 235,440 : x
2. Step 2: Convert to fraction form
   113,068.50/235,440 = 235,440/x
3. Step 3: Cross multiply
   113,068.50x = 235,440 × 235,440
4. Step 4: Simplify right side
   113,068.50x = 55,431,993,600
5. Step 5: Solve for x
   x = 55,431,993,600/113,068.50
6. Step 6: Final answer
   x = 490,251.43