Finding the Third Proportional to 67,632 and 144,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,632 : 144,643.50 = 144,643.50 : x
2. Step 2: Convert to fraction form
   67,632/144,643.50 = 144,643.50/x
3. Step 3: Cross multiply
   67,632x = 144,643.50 × 144,643.50
4. Step 4: Simplify right side
   67,632x = 20,921,742,092.25
5. Step 5: Solve for x
   x = 20,921,742,092.25/67,632
6. Step 6: Final answer
   x = 309,346.79