Finding the Third Proportional to 53,451.50 and 115,378

Step by Step Solution

1. Step 1: Write the proportion equation
   53,451.50 : 115,378 = 115,378 : x
2. Step 2: Convert to fraction form
   53,451.50/115,378 = 115,378/x
3. Step 3: Cross multiply
   53,451.50x = 115,378 × 115,378
4. Step 4: Simplify right side
   53,451.50x = 13,312,082,884
5. Step 5: Solve for x
   x = 13,312,082,884/53,451.50
6. Step 6: Final answer
   x = 249,049.75