Finding the Third Proportional to 810,486 and 1,876,284

Step by Step Solution

1. Step 1: Write the proportion equation
   810,486 : 1,876,284 = 1,876,284 : x
2. Step 2: Convert to fraction form
   810,486/1,876,284 = 1,876,284/x
3. Step 3: Cross multiply
   810,486x = 1,876,284 × 1,876,284
4. Step 4: Simplify right side
   810,486x = 3,520,441,648,656
5. Step 5: Solve for x
   x = 3,520,441,648,656/810,486
6. Step 6: Final answer
   x = 4,343,618.09