Finding the Third Proportional to 35,900 and 55,900

Step by Step Solution

1. Step 1: Write the proportion equation
   35,900 : 55,900 = 55,900 : x
2. Step 2: Convert to fraction form
   35,900/55,900 = 55,900/x
3. Step 3: Cross multiply
   35,900x = 55,900 × 55,900
4. Step 4: Simplify right side
   35,900x = 3,124,810,000
5. Step 5: Solve for x
   x = 3,124,810,000/35,900
6. Step 6: Final answer
   x = 87,042.06