Finding the Third Proportional to 36,900 and 56,790

Step by Step Solution

1. Step 1: Write the proportion equation
   36,900 : 56,790 = 56,790 : x
2. Step 2: Convert to fraction form
   36,900/56,790 = 56,790/x
3. Step 3: Cross multiply
   36,900x = 56,790 × 56,790
4. Step 4: Simplify right side
   36,900x = 3,225,104,100
5. Step 5: Solve for x
   x = 3,225,104,100/36,900
6. Step 6: Final answer
   x = 87,401.20