Finding the Third Proportional to 21,394.13 and 28,393.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,394.13 : 28,393.88 = 28,393.88 : x
2. Step 2: Convert to fraction form
   21,394.13/28,393.88 = 28,393.88/x
3. Step 3: Cross multiply
   21,394.13x = 28,393.88 × 28,393.88
4. Step 4: Simplify right side
   21,394.13x = 806,212,137.52
5. Step 5: Solve for x
   x = 806,212,137.52/21,394.13
6. Step 6: Final answer
   x = 37,683.81