Finding the Third Proportional to 108,639 and 146,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,639 : 146,191.50 = 146,191.50 : x
2. Step 2: Convert to fraction form
   108,639/146,191.50 = 146,191.50/x
3. Step 3: Cross multiply
   108,639x = 146,191.50 × 146,191.50
4. Step 4: Simplify right side
   108,639x = 21,371,954,672.25
5. Step 5: Solve for x
   x = 21,371,954,672.25/108,639
6. Step 6: Final answer
   x = 196,724.52