Finding the Third Proportional to 166,274 and 243,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,274 : 243,514.50 = 243,514.50 : x
2. Step 2: Convert to fraction form
   166,274/243,514.50 = 243,514.50/x
3. Step 3: Cross multiply
   166,274x = 243,514.50 × 243,514.50
4. Step 4: Simplify right side
   166,274x = 59,299,311,710.25
5. Step 5: Solve for x
   x = 59,299,311,710.25/166,274
6. Step 6: Final answer
   x = 356,636.10