Finding the Third Proportional to 21,138.89 and 44,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,138.89 : 44,026.88 = 44,026.88 : x
2. Step 2: Convert to fraction form
   21,138.89/44,026.88 = 44,026.88/x
3. Step 3: Cross multiply
   21,138.89x = 44,026.88 × 44,026.88
4. Step 4: Simplify right side
   21,138.89x = 1,938,365,722.27
5. Step 5: Solve for x
   x = 1,938,365,722.27/21,138.89
6. Step 6: Final answer
   x = 91,696.66