Finding the Third Proportional to 166,360.50 and 260,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,360.50 : 260,632.50 = 260,632.50 : x
2. Step 2: Convert to fraction form
   166,360.50/260,632.50 = 260,632.50/x
3. Step 3: Cross multiply
   166,360.50x = 260,632.50 × 260,632.50
4. Step 4: Simplify right side
   166,360.50x = 67,929,300,056.25
5. Step 5: Solve for x
   x = 67,929,300,056.25/166,360.50
6. Step 6: Final answer
   x = 408,325.90