Finding the Third Proportional to 16,409.25 and 39,686.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,409.25 : 39,686.63 = 39,686.63 : x
2. Step 2: Convert to fraction form
   16,409.25/39,686.63 = 39,686.63/x
3. Step 3: Cross multiply
   16,409.25x = 39,686.63 × 39,686.63
4. Step 4: Simplify right side
   16,409.25x = 1,575,028,203.89
5. Step 5: Solve for x
   x = 1,575,028,203.89/16,409.25
6. Step 6: Final answer
   x = 95,984.17