Finding the Third Proportional to 67,868 and 147,783

Step by Step Solution

1. Step 1: Write the proportion equation
   67,868 : 147,783 = 147,783 : x
2. Step 2: Convert to fraction form
   67,868/147,783 = 147,783/x
3. Step 3: Cross multiply
   67,868x = 147,783 × 147,783
4. Step 4: Simplify right side
   67,868x = 21,839,815,089
5. Step 5: Solve for x
   x = 21,839,815,089/67,868
6. Step 6: Final answer
   x = 321,798.42