Finding the Third Proportional to 16,439.50 and 35,506.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.50 : 35,506.75 = 35,506.75 : x
2. Step 2: Convert to fraction form
   16,439.50/35,506.75 = 35,506.75/x
3. Step 3: Cross multiply
   16,439.50x = 35,506.75 × 35,506.75
4. Step 4: Simplify right side
   16,439.50x = 1,260,729,295.56
5. Step 5: Solve for x
   x = 1,260,729,295.56/16,439.50
6. Step 6: Final answer
   x = 76,689.03