Finding the Third Proportional to 113,605.50 and 176,400

Step by Step Solution

1. Step 1: Write the proportion equation
   113,605.50 : 176,400 = 176,400 : x
2. Step 2: Convert to fraction form
   113,605.50/176,400 = 176,400/x
3. Step 3: Cross multiply
   113,605.50x = 176,400 × 176,400
4. Step 4: Simplify right side
   113,605.50x = 31,116,960,000
5. Step 5: Solve for x
   x = 31,116,960,000/113,605.50
6. Step 6: Final answer
   x = 273,903.64