Finding the Third Proportional to 16,581.59 and 35,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.59 : 35,789.98 = 35,789.98 : x
2. Step 2: Convert to fraction form
   16,581.59/35,789.98 = 35,789.98/x
3. Step 3: Cross multiply
   16,581.59x = 35,789.98 × 35,789.98
4. Step 4: Simplify right side
   16,581.59x = 1,280,922,422.34
5. Step 5: Solve for x
   x = 1,280,922,422.34/16,581.59
6. Step 6: Final answer
   x = 77,249.69