Finding the Third Proportional to 21,774.45 and 31,821.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,774.45 : 31,821.29 = 31,821.29 : x
2. Step 2: Convert to fraction form
   21,774.45/31,821.29 = 31,821.29/x
3. Step 3: Cross multiply
   21,774.45x = 31,821.29 × 31,821.29
4. Step 4: Simplify right side
   21,774.45x = 1,012,594,686.20
5. Step 5: Solve for x
   x = 1,012,594,686.20/21,774.45
6. Step 6: Final answer
   x = 46,503.81