Finding the Third Proportional to 21,841.50 and 51,339.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,841.50 : 51,339.75 = 51,339.75 : x
2. Step 2: Convert to fraction form
   21,841.50/51,339.75 = 51,339.75/x
3. Step 3: Cross multiply
   21,841.50x = 51,339.75 × 51,339.75
4. Step 4: Simplify right side
   21,841.50x = 2,635,769,930.06
5. Step 5: Solve for x
   x = 2,635,769,930.06/21,841.50
6. Step 6: Final answer
   x = 120,677.15