Finding the Third Proportional to 53,543 and 111,298

Step by Step Solution

1. Step 1: Write the proportion equation
   53,543 : 111,298 = 111,298 : x
2. Step 2: Convert to fraction form
   53,543/111,298 = 111,298/x
3. Step 3: Cross multiply
   53,543x = 111,298 × 111,298
4. Step 4: Simplify right side
   53,543x = 12,387,244,804
5. Step 5: Solve for x
   x = 12,387,244,804/53,543
6. Step 6: Final answer
   x = 231,351.34