Finding the Third Proportional to 21,870.75 and 44,664

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870.75 : 44,664 = 44,664 : x
2. Step 2: Convert to fraction form
   21,870.75/44,664 = 44,664/x
3. Step 3: Cross multiply
   21,870.75x = 44,664 × 44,664
4. Step 4: Simplify right side
   21,870.75x = 1,994,872,896
5. Step 5: Solve for x
   x = 1,994,872,896/21,870.75
6. Step 6: Final answer
   x = 91,211.91