Finding the Third Proportional to 51.90 and 76.37

Step by Step Solution

1. Step 1: Write the proportion equation
   51.90 : 76.37 = 76.37 : x
2. Step 2: Convert to fraction form
   51.90/76.37 = 76.37/x
3. Step 3: Cross multiply
   51.90x = 76.37 × 76.37
4. Step 4: Simplify right side
   51.90x = 5,832.31
5. Step 5: Solve for x
   x = 5,832.31/51.90
6. Step 6: Final answer
   x = 112.37