Finding the Third Proportional to 45.56 and 59.80

Step by Step Solution

1. Step 1: Write the proportion equation
   45.56 : 59.80 = 59.80 : x
2. Step 2: Convert to fraction form
   45.56/59.80 = 59.80/x
3. Step 3: Cross multiply
   45.56x = 59.80 × 59.80
4. Step 4: Simplify right side
   45.56x = 3,576.13
5. Step 5: Solve for x
   x = 3,576.13/45.56
6. Step 6: Final answer
   x = 78.49