Finding the Third Proportional to 39,912.75 and 60,699.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,912.75 : 60,699.38 = 60,699.38 : x
2. Step 2: Convert to fraction form
   39,912.75/60,699.38 = 60,699.38/x
3. Step 3: Cross multiply
   39,912.75x = 60,699.38 × 60,699.38
4. Step 4: Simplify right side
   39,912.75x = 3,684,414,125.39
5. Step 5: Solve for x
   x = 3,684,414,125.39/39,912.75
6. Step 6: Final answer
   x = 92,311.71