Finding the Third Proportional to 20,454 and 43,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,454 : 43,821.50 = 43,821.50 : x
2. Step 2: Convert to fraction form
   20,454/43,821.50 = 43,821.50/x
3. Step 3: Cross multiply
   20,454x = 43,821.50 × 43,821.50
4. Step 4: Simplify right side
   20,454x = 1,920,323,862.25
5. Step 5: Solve for x
   x = 1,920,323,862.25/20,454
6. Step 6: Final answer
   x = 93,885.00