Finding the Third Proportional to 20,900.50 and 42,341

Step by Step Solution

1. Step 1: Write the proportion equation
   20,900.50 : 42,341 = 42,341 : x
2. Step 2: Convert to fraction form
   20,900.50/42,341 = 42,341/x
3. Step 3: Cross multiply
   20,900.50x = 42,341 × 42,341
4. Step 4: Simplify right side
   20,900.50x = 1,792,760,281
5. Step 5: Solve for x
   x = 1,792,760,281/20,900.50
6. Step 6: Final answer
   x = 85,775.95