Finding the Third Proportional to 868,443 and 1,885,431

Step by Step Solution

1. Step 1: Write the proportion equation
   868,443 : 1,885,431 = 1,885,431 : x
2. Step 2: Convert to fraction form
   868,443/1,885,431 = 1,885,431/x
3. Step 3: Cross multiply
   868,443x = 1,885,431 × 1,885,431
4. Step 4: Simplify right side
   868,443x = 3,554,850,055,761
5. Step 5: Solve for x
   x = 3,554,850,055,761/868,443
6. Step 6: Final answer
   x = 4,093,360.25