Finding the Third Proportional to 39,843.38 and 86,696.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,843.38 : 86,696.25 = 86,696.25 : x
2. Step 2: Convert to fraction form
   39,843.38/86,696.25 = 86,696.25/x
3. Step 3: Cross multiply
   39,843.38x = 86,696.25 × 86,696.25
4. Step 4: Simplify right side
   39,843.38x = 7,516,239,764.06
5. Step 5: Solve for x
   x = 7,516,239,764.06/39,843.38
6. Step 6: Final answer
   x = 188,644.66