Finding the Third Proportional to 113,662.50 and 239,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,662.50 : 239,110.50 = 239,110.50 : x
2. Step 2: Convert to fraction form
   113,662.50/239,110.50 = 239,110.50/x
3. Step 3: Cross multiply
   113,662.50x = 239,110.50 × 239,110.50
4. Step 4: Simplify right side
   113,662.50x = 57,173,831,210.25
5. Step 5: Solve for x
   x = 57,173,831,210.25/113,662.50
6. Step 6: Final answer
   x = 503,014.02