Finding the Third Proportional to 67,868 and 147,784

Step by Step Solution

1. Step 1: Write the proportion equation
   67,868 : 147,784 = 147,784 : x
2. Step 2: Convert to fraction form
   67,868/147,784 = 147,784/x
3. Step 3: Cross multiply
   67,868x = 147,784 × 147,784
4. Step 4: Simplify right side
   67,868x = 21,840,110,656
5. Step 5: Solve for x
   x = 21,840,110,656/67,868
6. Step 6: Final answer
   x = 321,802.77