Finding the Third Proportional to 108,945 and 168,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,945 : 168,340.50 = 168,340.50 : x
2. Step 2: Convert to fraction form
   108,945/168,340.50 = 168,340.50/x
3. Step 3: Cross multiply
   108,945x = 168,340.50 × 168,340.50
4. Step 4: Simplify right side
   108,945x = 28,338,523,940.25
5. Step 5: Solve for x
   x = 28,338,523,940.25/108,945
6. Step 6: Final answer
   x = 260,117.71