Finding the Third Proportional to 27,781.73 and 42,976.83

Step by Step Solution

1. Step 1: Write the proportion equation
   27,781.73 : 42,976.83 = 42,976.83 : x
2. Step 2: Convert to fraction form
   27,781.73/42,976.83 = 42,976.83/x
3. Step 3: Cross multiply
   27,781.73x = 42,976.83 × 42,976.83
4. Step 4: Simplify right side
   27,781.73x = 1,847,007,755.69
5. Step 5: Solve for x
   x = 1,847,007,755.69/27,781.73
6. Step 6: Final answer
   x = 66,482.81