Finding the Third Proportional to 161,818.50 and 344,049

Step by Step Solution

1. Step 1: Write the proportion equation
   161,818.50 : 344,049 = 344,049 : x
2. Step 2: Convert to fraction form
   161,818.50/344,049 = 344,049/x
3. Step 3: Cross multiply
   161,818.50x = 344,049 × 344,049
4. Step 4: Simplify right side
   161,818.50x = 118,369,714,401
5. Step 5: Solve for x
   x = 118,369,714,401/161,818.50
6. Step 6: Final answer
   x = 731,496.80