Finding the Third Proportional to 58.50 and 99.38

Step by Step Solution

1. Step 1: Write the proportion equation
   58.50 : 99.38 = 99.38 : x
2. Step 2: Convert to fraction form
   58.50/99.38 = 99.38/x
3. Step 3: Cross multiply
   58.50x = 99.38 × 99.38
4. Step 4: Simplify right side
   58.50x = 9,875.39
5. Step 5: Solve for x
   x = 9,875.39/58.50
6. Step 6: Final answer
   x = 168.81