Finding the Third Proportional to 67,869 and 147,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,869 : 147,784.50 = 147,784.50 : x
2. Step 2: Convert to fraction form
   67,869/147,784.50 = 147,784.50/x
3. Step 3: Cross multiply
   67,869x = 147,784.50 × 147,784.50
4. Step 4: Simplify right side
   67,869x = 21,840,258,440.25
5. Step 5: Solve for x
   x = 21,840,258,440.25/67,869
6. Step 6: Final answer
   x = 321,800.21