Finding the Third Proportional to 53,239.50 and 113,866

Step by Step Solution

1. Step 1: Write the proportion equation
   53,239.50 : 113,866 = 113,866 : x
2. Step 2: Convert to fraction form
   53,239.50/113,866 = 113,866/x
3. Step 3: Cross multiply
   53,239.50x = 113,866 × 113,866
4. Step 4: Simplify right side
   53,239.50x = 12,965,465,956
5. Step 5: Solve for x
   x = 12,965,465,956/53,239.50
6. Step 6: Final answer
   x = 243,530.95