Finding the Third Proportional to 13,398 and 28,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,398 : 28,315.50 = 28,315.50 : x
2. Step 2: Convert to fraction form
   13,398/28,315.50 = 28,315.50/x
3. Step 3: Cross multiply
   13,398x = 28,315.50 × 28,315.50
4. Step 4: Simplify right side
   13,398x = 801,767,540.25
5. Step 5: Solve for x
   x = 801,767,540.25/13,398
6. Step 6: Final answer
   x = 59,842.33