Finding the Third Proportional to 59,107.50 and 90,849

Step by Step Solution

1. Step 1: Write the proportion equation
   59,107.50 : 90,849 = 90,849 : x
2. Step 2: Convert to fraction form
   59,107.50/90,849 = 90,849/x
3. Step 3: Cross multiply
   59,107.50x = 90,849 × 90,849
4. Step 4: Simplify right side
   59,107.50x = 8,253,540,801
5. Step 5: Solve for x
   x = 8,253,540,801/59,107.50
6. Step 6: Final answer
   x = 139,636.10