Finding the Third Proportional to 166,181.50 and 362,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,181.50 : 362,440.50 = 362,440.50 : x
2. Step 2: Convert to fraction form
   166,181.50/362,440.50 = 362,440.50/x
3. Step 3: Cross multiply
   166,181.50x = 362,440.50 × 362,440.50
4. Step 4: Simplify right side
   166,181.50x = 131,363,116,040.25
5. Step 5: Solve for x
   x = 131,363,116,040.25/166,181.50
6. Step 6: Final answer
   x = 790,479.78