Finding the Third Proportional to 21,912 and 35,600.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,912 : 35,600.25 = 35,600.25 : x
2. Step 2: Convert to fraction form
   21,912/35,600.25 = 35,600.25/x
3. Step 3: Cross multiply
   21,912x = 35,600.25 × 35,600.25
4. Step 4: Simplify right side
   21,912x = 1,267,377,800.06
5. Step 5: Solve for x
   x = 1,267,377,800.06/21,912
6. Step 6: Final answer
   x = 57,839.44