Finding the Third Proportional to 56.25 and 134.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56.25 : 134.63 = 134.63 : x
2. Step 2: Convert to fraction form
   56.25/134.63 = 134.63/x
3. Step 3: Cross multiply
   56.25x = 134.63 × 134.63
4. Step 4: Simplify right side
   56.25x = 18,123.89
5. Step 5: Solve for x
   x = 18,123.89/56.25
6. Step 6: Final answer
   x = 322.20