Finding the Third Proportional to 8,553.56 and 18,341.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,553.56 : 18,341.06 = 18,341.06 : x
2. Step 2: Convert to fraction form
   8,553.56/18,341.06 = 18,341.06/x
3. Step 3: Cross multiply
   8,553.56x = 18,341.06 × 18,341.06
4. Step 4: Simplify right side
   8,553.56x = 336,394,573.63
5. Step 5: Solve for x
   x = 336,394,573.63/8,553.56
6. Step 6: Final answer
   x = 39,328.01