Finding the Third Proportional to 39,666.38 and 59,504.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,666.38 : 59,504.63 = 59,504.63 : x
2. Step 2: Convert to fraction form
   39,666.38/59,504.63 = 59,504.63/x
3. Step 3: Cross multiply
   39,666.38x = 59,504.63 × 59,504.63
4. Step 4: Simplify right side
   39,666.38x = 3,540,800,396.39
5. Step 5: Solve for x
   x = 3,540,800,396.39/39,666.38
6. Step 6: Final answer
   x = 89,264.53