Finding the Third Proportional to 53.63 and 114.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53.63 : 114.20 = 114.20 : x
2. Step 2: Convert to fraction form
   53.63/114.20 = 114.20/x
3. Step 3: Cross multiply
   53.63x = 114.20 × 114.20
4. Step 4: Simplify right side
   53.63x = 13,042.30
5. Step 5: Solve for x
   x = 13,042.30/53.63
6. Step 6: Final answer
   x = 243.19