Finding the Third Proportional to 21,415.50 and 50,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,415.50 : 50,575.50 = 50,575.50 : x
2. Step 2: Convert to fraction form
   21,415.50/50,575.50 = 50,575.50/x
3. Step 3: Cross multiply
   21,415.50x = 50,575.50 × 50,575.50
4. Step 4: Simplify right side
   21,415.50x = 2,557,881,200.25
5. Step 5: Solve for x
   x = 2,557,881,200.25/21,415.50
6. Step 6: Final answer
   x = 119,440.65