Finding the Third Proportional to 166,587 and 243,632

Step by Step Solution

1. Step 1: Write the proportion equation
   166,587 : 243,632 = 243,632 : x
2. Step 2: Convert to fraction form
   166,587/243,632 = 243,632/x
3. Step 3: Cross multiply
   166,587x = 243,632 × 243,632
4. Step 4: Simplify right side
   166,587x = 59,356,551,424
5. Step 5: Solve for x
   x = 59,356,551,424/166,587
6. Step 6: Final answer
   x = 356,309.62