Finding the Third Proportional to 56.25 and 147.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56.25 : 147.75 = 147.75 : x
2. Step 2: Convert to fraction form
   56.25/147.75 = 147.75/x
3. Step 3: Cross multiply
   56.25x = 147.75 × 147.75
4. Step 4: Simplify right side
   56.25x = 21,830.06
5. Step 5: Solve for x
   x = 21,830.06/56.25
6. Step 6: Final answer
   x = 388.09