Finding the Third Proportional to 166,488.50 and 361,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,488.50 : 361,043.50 = 361,043.50 : x
2. Step 2: Convert to fraction form
   166,488.50/361,043.50 = 361,043.50/x
3. Step 3: Cross multiply
   166,488.50x = 361,043.50 × 361,043.50
4. Step 4: Simplify right side
   166,488.50x = 130,352,408,892.25
5. Step 5: Solve for x
   x = 130,352,408,892.25/166,488.50
6. Step 6: Final answer
   x = 782,951.43