Finding the Third Proportional to 166,761 and 251,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,761 : 251,581.50 = 251,581.50 : x
2. Step 2: Convert to fraction form
   166,761/251,581.50 = 251,581.50/x
3. Step 3: Cross multiply
   166,761x = 251,581.50 × 251,581.50
4. Step 4: Simplify right side
   166,761x = 63,293,251,142.25
5. Step 5: Solve for x
   x = 63,293,251,142.25/166,761
6. Step 6: Final answer
   x = 379,544.68