Finding the Third Proportional to 873,644 and 1,868,732

Step by Step Solution

1. Step 1: Write the proportion equation
   873,644 : 1,868,732 = 1,868,732 : x
2. Step 2: Convert to fraction form
   873,644/1,868,732 = 1,868,732/x
3. Step 3: Cross multiply
   873,644x = 1,868,732 × 1,868,732
4. Step 4: Simplify right side
   873,644x = 3,492,159,287,824
5. Step 5: Solve for x
   x = 3,492,159,287,824/873,644
6. Step 6: Final answer
   x = 3,997,233.76