Finding the Third Proportional to 166,266 and 243,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,266 : 243,568.50 = 243,568.50 : x
2. Step 2: Convert to fraction form
   166,266/243,568.50 = 243,568.50/x
3. Step 3: Cross multiply
   166,266x = 243,568.50 × 243,568.50
4. Step 4: Simplify right side
   166,266x = 59,325,614,192.25
5. Step 5: Solve for x
   x = 59,325,614,192.25/166,266
6. Step 6: Final answer
   x = 356,811.46