Finding the Third Proportional to 168,048 and 266,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,048 : 266,224.50 = 266,224.50 : x
2. Step 2: Convert to fraction form
   168,048/266,224.50 = 266,224.50/x
3. Step 3: Cross multiply
   168,048x = 266,224.50 × 266,224.50
4. Step 4: Simplify right side
   168,048x = 70,875,484,400.25
5. Step 5: Solve for x
   x = 70,875,484,400.25/168,048
6. Step 6: Final answer
   x = 421,757.38