Finding the Third Proportional to 67,783 and 103,691

Step by Step Solution

1. Step 1: Write the proportion equation
   67,783 : 103,691 = 103,691 : x
2. Step 2: Convert to fraction form
   67,783/103,691 = 103,691/x
3. Step 3: Cross multiply
   67,783x = 103,691 × 103,691
4. Step 4: Simplify right side
   67,783x = 10,751,823,481
5. Step 5: Solve for x
   x = 10,751,823,481/67,783
6. Step 6: Final answer
   x = 158,621.24