Finding the Third Proportional to 374,841.50 and 816,238

Step by Step Solution

1. Step 1: Write the proportion equation
   374,841.50 : 816,238 = 816,238 : x
2. Step 2: Convert to fraction form
   374,841.50/816,238 = 816,238/x
3. Step 3: Cross multiply
   374,841.50x = 816,238 × 816,238
4. Step 4: Simplify right side
   374,841.50x = 666,244,472,644
5. Step 5: Solve for x
   x = 666,244,472,644/374,841.50
6. Step 6: Final answer
   x = 1,777,403.18