Finding the Third Proportional to 105,007.50 and 168,445.13

Step by Step Solution

1. Step 1: Write the proportion equation
   105,007.50 : 168,445.13 = 168,445.13 : x
2. Step 2: Convert to fraction form
   105,007.50/168,445.13 = 168,445.13/x
3. Step 3: Cross multiply
   105,007.50x = 168,445.13 × 168,445.13
4. Step 4: Simplify right side
   105,007.50x = 28,373,760,136.27
5. Step 5: Solve for x
   x = 28,373,760,136.27/105,007.50
6. Step 6: Final answer
   x = 270,206.99