Finding the Third Proportional to 374,863.50 and 816,282

Step by Step Solution

1. Step 1: Write the proportion equation
   374,863.50 : 816,282 = 816,282 : x
2. Step 2: Convert to fraction form
   374,863.50/816,282 = 816,282/x
3. Step 3: Cross multiply
   374,863.50x = 816,282 × 816,282
4. Step 4: Simplify right side
   374,863.50x = 666,316,303,524
5. Step 5: Solve for x
   x = 666,316,303,524/374,863.50
6. Step 6: Final answer
   x = 1,777,490.48