Finding the Third Proportional to 16,818.98 and 35,380.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,818.98 : 35,380.59 = 35,380.59 : x
2. Step 2: Convert to fraction form
   16,818.98/35,380.59 = 35,380.59/x
3. Step 3: Cross multiply
   16,818.98x = 35,380.59 × 35,380.59
4. Step 4: Simplify right side
   16,818.98x = 1,251,786,414.10
5. Step 5: Solve for x
   x = 1,251,786,414.10/16,818.98
6. Step 6: Final answer
   x = 74,426.99