Finding the Third Proportional to 902,231 and 1,878,856

Step by Step Solution

1. Step 1: Write the proportion equation
   902,231 : 1,878,856 = 1,878,856 : x
2. Step 2: Convert to fraction form
   902,231/1,878,856 = 1,878,856/x
3. Step 3: Cross multiply
   902,231x = 1,878,856 × 1,878,856
4. Step 4: Simplify right side
   902,231x = 3,530,099,868,736
5. Step 5: Solve for x
   x = 3,530,099,868,736/902,231
6. Step 6: Final answer
   x = 3,912,634.20