Finding the Third Proportional to 374,814 and 803,196

Step by Step Solution

1. Step 1: Write the proportion equation
   374,814 : 803,196 = 803,196 : x
2. Step 2: Convert to fraction form
   374,814/803,196 = 803,196/x
3. Step 3: Cross multiply
   374,814x = 803,196 × 803,196
4. Step 4: Simplify right side
   374,814x = 645,123,814,416
5. Step 5: Solve for x
   x = 645,123,814,416/374,814
6. Step 6: Final answer
   x = 1,721,183.88