Finding the Third Proportional to 810,154 and 1,786,196

Step by Step Solution

1. Step 1: Write the proportion equation
   810,154 : 1,786,196 = 1,786,196 : x
2. Step 2: Convert to fraction form
   810,154/1,786,196 = 1,786,196/x
3. Step 3: Cross multiply
   810,154x = 1,786,196 × 1,786,196
4. Step 4: Simplify right side
   810,154x = 3,190,496,150,416
5. Step 5: Solve for x
   x = 3,190,496,150,416/810,154
6. Step 6: Final answer
   x = 3,938,135.40