Finding the Third Proportional to 20,785.50 and 34,236

Step by Step Solution

1. Step 1: Write the proportion equation
   20,785.50 : 34,236 = 34,236 : x
2. Step 2: Convert to fraction form
   20,785.50/34,236 = 34,236/x
3. Step 3: Cross multiply
   20,785.50x = 34,236 × 34,236
4. Step 4: Simplify right side
   20,785.50x = 1,172,103,696
5. Step 5: Solve for x
   x = 1,172,103,696/20,785.50
6. Step 6: Final answer
   x = 56,390.45