Finding the Third Proportional to 53,166.38 and 115,992

Step by Step Solution

1. Step 1: Write the proportion equation
   53,166.38 : 115,992 = 115,992 : x
2. Step 2: Convert to fraction form
   53,166.38/115,992 = 115,992/x
3. Step 3: Cross multiply
   53,166.38x = 115,992 × 115,992
4. Step 4: Simplify right side
   53,166.38x = 13,454,144,064
5. Step 5: Solve for x
   x = 13,454,144,064/53,166.38
6. Step 6: Final answer
   x = 253,057.39