Finding the Third Proportional to 8,386.03 and 12,801.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,386.03 : 12,801.80 = 12,801.80 : x
2. Step 2: Convert to fraction form
   8,386.03/12,801.80 = 12,801.80/x
3. Step 3: Cross multiply
   8,386.03x = 12,801.80 × 12,801.80
4. Step 4: Simplify right side
   8,386.03x = 163,886,003.23
5. Step 5: Solve for x
   x = 163,886,003.23/8,386.03
6. Step 6: Final answer
   x = 19,542.74