Finding the Third Proportional to 39,198 and 58,890

Step by Step Solution

1. Step 1: Write the proportion equation
   39,198 : 58,890 = 58,890 : x
2. Step 2: Convert to fraction form
   39,198/58,890 = 58,890/x
3. Step 3: Cross multiply
   39,198x = 58,890 × 58,890
4. Step 4: Simplify right side
   39,198x = 3,468,032,100
5. Step 5: Solve for x
   x = 3,468,032,100/39,198
6. Step 6: Final answer
   x = 88,474.72