Finding the Third Proportional to 16,439.38 and 35,506.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.38 : 35,506.13 = 35,506.13 : x
2. Step 2: Convert to fraction form
   16,439.38/35,506.13 = 35,506.13/x
3. Step 3: Cross multiply
   16,439.38x = 35,506.13 × 35,506.13
4. Step 4: Simplify right side
   16,439.38x = 1,260,684,912.52
5. Step 5: Solve for x
   x = 1,260,684,912.52/16,439.38
6. Step 6: Final answer
   x = 76,686.91