Finding the Third Proportional to 56.50 and 100

Step by Step Solution

1. Step 1: Write the proportion equation
   56.50 : 100 = 100 : x
2. Step 2: Convert to fraction form
   56.50/100 = 100/x
3. Step 3: Cross multiply
   56.50x = 100 × 100
4. Step 4: Simplify right side
   56.50x = 10,000
5. Step 5: Solve for x
   x = 10,000/56.50
6. Step 6: Final answer
   x = 176.99