Finding the Third Proportional to 166,440 and 271,750.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,440 : 271,750.50 = 271,750.50 : x
2. Step 2: Convert to fraction form
   166,440/271,750.50 = 271,750.50/x
3. Step 3: Cross multiply
   166,440x = 271,750.50 × 271,750.50
4. Step 4: Simplify right side
   166,440x = 73,848,334,250.25
5. Step 5: Solve for x
   x = 73,848,334,250.25/166,440
6. Step 6: Final answer
   x = 443,693.43