Finding the Third Proportional to 113,647.50 and 168,273

Step by Step Solution

1. Step 1: Write the proportion equation
   113,647.50 : 168,273 = 168,273 : x
2. Step 2: Convert to fraction form
   113,647.50/168,273 = 168,273/x
3. Step 3: Cross multiply
   113,647.50x = 168,273 × 168,273
4. Step 4: Simplify right side
   113,647.50x = 28,315,802,529
5. Step 5: Solve for x
   x = 28,315,802,529/113,647.50
6. Step 6: Final answer
   x = 249,154.65