Finding the Third Proportional to 166,648.50 and 251,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,648.50 : 251,443.50 = 251,443.50 : x
2. Step 2: Convert to fraction form
   166,648.50/251,443.50 = 251,443.50/x
3. Step 3: Cross multiply
   166,648.50x = 251,443.50 × 251,443.50
4. Step 4: Simplify right side
   166,648.50x = 63,223,833,692.25
5. Step 5: Solve for x
   x = 63,223,833,692.25/166,648.50
6. Step 6: Final answer
   x = 379,384.36