Finding the Third Proportional to 45.51 and 102.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45.51 : 102.78 = 102.78 : x
2. Step 2: Convert to fraction form
   45.51/102.78 = 102.78/x
3. Step 3: Cross multiply
   45.51x = 102.78 × 102.78
4. Step 4: Simplify right side
   45.51x = 10,563.58
5. Step 5: Solve for x
   x = 10,563.58/45.51
6. Step 6: Final answer
   x = 232.12