Finding the Third Proportional to 8,498.81 and 13,192.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.81 : 13,192.31 = 13,192.31 : x
2. Step 2: Convert to fraction form
   8,498.81/13,192.31 = 13,192.31/x
3. Step 3: Cross multiply
   8,498.81x = 13,192.31 × 13,192.31
4. Step 4: Simplify right side
   8,498.81x = 174,037,109.10
5. Step 5: Solve for x
   x = 174,037,109.10/8,498.81
6. Step 6: Final answer
   x = 20,477.81