Finding the Third Proportional to 107,641.50 and 168,003

Step by Step Solution

1. Step 1: Write the proportion equation
   107,641.50 : 168,003 = 168,003 : x
2. Step 2: Convert to fraction form
   107,641.50/168,003 = 168,003/x
3. Step 3: Cross multiply
   107,641.50x = 168,003 × 168,003
4. Step 4: Simplify right side
   107,641.50x = 28,225,008,009
5. Step 5: Solve for x
   x = 28,225,008,009/107,641.50
6. Step 6: Final answer
   x = 262,213.07