Finding the Third Proportional to 21,621 and 44,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,621 : 44,314.50 = 44,314.50 : x
2. Step 2: Convert to fraction form
   21,621/44,314.50 = 44,314.50/x
3. Step 3: Cross multiply
   21,621x = 44,314.50 × 44,314.50
4. Step 4: Simplify right side
   21,621x = 1,963,774,910.25
5. Step 5: Solve for x
   x = 1,963,774,910.25/21,621
6. Step 6: Final answer
   x = 90,827.20