Finding the Third Proportional to 59.48 and 91.13

Step by Step Solution

1. Step 1: Write the proportion equation
   59.48 : 91.13 = 91.13 : x
2. Step 2: Convert to fraction form
   59.48/91.13 = 91.13/x
3. Step 3: Cross multiply
   59.48x = 91.13 × 91.13
4. Step 4: Simplify right side
   59.48x = 8,303.77
5. Step 5: Solve for x
   x = 8,303.77/59.48
6. Step 6: Final answer
   x = 139.60