Finding the Third Proportional to 39,664.13 and 86,483.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,664.13 : 86,483.25 = 86,483.25 : x
2. Step 2: Convert to fraction form
   39,664.13/86,483.25 = 86,483.25/x
3. Step 3: Cross multiply
   39,664.13x = 86,483.25 × 86,483.25
4. Step 4: Simplify right side
   39,664.13x = 7,479,352,530.56
5. Step 5: Solve for x
   x = 7,479,352,530.56/39,664.13
6. Step 6: Final answer
   x = 188,567.19