Finding the Third Proportional to 873,713 and 1,868,895

Step by Step Solution

1. Step 1: Write the proportion equation
   873,713 : 1,868,895 = 1,868,895 : x
2. Step 2: Convert to fraction form
   873,713/1,868,895 = 1,868,895/x
3. Step 3: Cross multiply
   873,713x = 1,868,895 × 1,868,895
4. Step 4: Simplify right side
   873,713x = 3,492,768,521,025
5. Step 5: Solve for x
   x = 3,492,768,521,025/873,713
6. Step 6: Final answer
   x = 3,997,615.37