Finding the Third Proportional to 67,861 and 147,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,861 : 147,768.50 = 147,768.50 : x
2. Step 2: Convert to fraction form
   67,861/147,768.50 = 147,768.50/x
3. Step 3: Cross multiply
   67,861x = 147,768.50 × 147,768.50
4. Step 4: Simplify right side
   67,861x = 21,835,529,592.25
5. Step 5: Solve for x
   x = 21,835,529,592.25/67,861
6. Step 6: Final answer
   x = 321,768.46