Finding the Third Proportional to 21,429 and 33,338.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,429 : 33,338.25 = 33,338.25 : x
2. Step 2: Convert to fraction form
   21,429/33,338.25 = 33,338.25/x
3. Step 3: Cross multiply
   21,429x = 33,338.25 × 33,338.25
4. Step 4: Simplify right side
   21,429x = 1,111,438,913.06
5. Step 5: Solve for x
   x = 1,111,438,913.06/21,429
6. Step 6: Final answer
   x = 51,866.11