Finding the Third Proportional to 114,738.50 and 248,545

Step by Step Solution

1. Step 1: Write the proportion equation
   114,738.50 : 248,545 = 248,545 : x
2. Step 2: Convert to fraction form
   114,738.50/248,545 = 248,545/x
3. Step 3: Cross multiply
   114,738.50x = 248,545 × 248,545
4. Step 4: Simplify right side
   114,738.50x = 61,774,617,025
5. Step 5: Solve for x
   x = 61,774,617,025/114,738.50
6. Step 6: Final answer
   x = 538,394.85