Finding the Third Proportional to 16,619.77 and 35,574.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.77 : 35,574.61 = 35,574.61 : x
2. Step 2: Convert to fraction form
   16,619.77/35,574.61 = 35,574.61/x
3. Step 3: Cross multiply
   16,619.77x = 35,574.61 × 35,574.61
4. Step 4: Simplify right side
   16,619.77x = 1,265,552,832.18
5. Step 5: Solve for x
   x = 1,265,552,832.18/16,619.77
6. Step 6: Final answer
   x = 76,147.45