Finding the Third Proportional to 113,685.75 and 248,292.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,685.75 : 248,292.56 = 248,292.56 : x
2. Step 2: Convert to fraction form
   113,685.75/248,292.56 = 248,292.56/x
3. Step 3: Cross multiply
   113,685.75x = 248,292.56 × 248,292.56
4. Step 4: Simplify right side
   113,685.75x = 61,649,196,592.82
5. Step 5: Solve for x
   x = 61,649,196,592.82/113,685.75
6. Step 6: Final answer
   x = 542,277.26