Finding the Third Proportional to 42,781 and 103,063

Step by Step Solution

1. Step 1: Write the proportion equation
   42,781 : 103,063 = 103,063 : x
2. Step 2: Convert to fraction form
   42,781/103,063 = 103,063/x
3. Step 3: Cross multiply
   42,781x = 103,063 × 103,063
4. Step 4: Simplify right side
   42,781x = 10,621,981,969
5. Step 5: Solve for x
   x = 10,621,981,969/42,781
6. Step 6: Final answer
   x = 248,287.37