Finding the Third Proportional to 21,057 and 46,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,057 : 46,078.50 = 46,078.50 : x
2. Step 2: Convert to fraction form
   21,057/46,078.50 = 46,078.50/x
3. Step 3: Cross multiply
   21,057x = 46,078.50 × 46,078.50
4. Step 4: Simplify right side
   21,057x = 2,123,228,162.25
5. Step 5: Solve for x
   x = 2,123,228,162.25/21,057
6. Step 6: Final answer
   x = 100,832.41