Finding the Third Proportional to 57.93 and 90.10

Step by Step Solution

1. Step 1: Write the proportion equation
   57.93 : 90.10 = 90.10 : x
2. Step 2: Convert to fraction form
   57.93/90.10 = 90.10/x
3. Step 3: Cross multiply
   57.93x = 90.10 × 90.10
4. Step 4: Simplify right side
   57.93x = 8,118.30
5. Step 5: Solve for x
   x = 8,118.30/57.93
6. Step 6: Final answer
   x = 140.14