Finding the Third Proportional to 8,112.38 and 17,985.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112.38 : 17,985.94 = 17,985.94 : x
2. Step 2: Convert to fraction form
   8,112.38/17,985.94 = 17,985.94/x
3. Step 3: Cross multiply
   8,112.38x = 17,985.94 × 17,985.94
4. Step 4: Simplify right side
   8,112.38x = 323,493,947.75
5. Step 5: Solve for x
   x = 323,493,947.75/8,112.38
6. Step 6: Final answer
   x = 39,876.60