Finding the Third Proportional to 873,646 and 1,868,736

Step by Step Solution

1. Step 1: Write the proportion equation
   873,646 : 1,868,736 = 1,868,736 : x
2. Step 2: Convert to fraction form
   873,646/1,868,736 = 1,868,736/x
3. Step 3: Cross multiply
   873,646x = 1,868,736 × 1,868,736
4. Step 4: Simplify right side
   873,646x = 3,492,174,237,696
5. Step 5: Solve for x
   x = 3,492,174,237,696/873,646
6. Step 6: Final answer
   x = 3,997,241.72