Finding the Third Proportional to 16,599.88 and 35,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,599.88 : 35,965.50 = 35,965.50 : x
2. Step 2: Convert to fraction form
   16,599.88/35,965.50 = 35,965.50/x
3. Step 3: Cross multiply
   16,599.88x = 35,965.50 × 35,965.50
4. Step 4: Simplify right side
   16,599.88x = 1,293,517,190.25
5. Step 5: Solve for x
   x = 1,293,517,190.25/16,599.88
6. Step 6: Final answer
   x = 77,923.31