Finding the Third Proportional to 21,841.25 and 51,342.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,841.25 : 51,342.75 = 51,342.75 : x
2. Step 2: Convert to fraction form
   21,841.25/51,342.75 = 51,342.75/x
3. Step 3: Cross multiply
   21,841.25x = 51,342.75 × 51,342.75
4. Step 4: Simplify right side
   21,841.25x = 2,636,077,977.56
5. Step 5: Solve for x
   x = 2,636,077,977.56/21,841.25
6. Step 6: Final answer
   x = 120,692.63