Finding the Third Proportional to 21,438 and 50,672.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,438 : 50,672.25 = 50,672.25 : x
2. Step 2: Convert to fraction form
   21,438/50,672.25 = 50,672.25/x
3. Step 3: Cross multiply
   21,438x = 50,672.25 × 50,672.25
4. Step 4: Simplify right side
   21,438x = 2,567,676,920.06
5. Step 5: Solve for x
   x = 2,567,676,920.06/21,438
6. Step 6: Final answer
   x = 119,772.22