Finding the Third Proportional to 873,440 and 1,851,862

Step by Step Solution

1. Step 1: Write the proportion equation
   873,440 : 1,851,862 = 1,851,862 : x
2. Step 2: Convert to fraction form
   873,440/1,851,862 = 1,851,862/x
3. Step 3: Cross multiply
   873,440x = 1,851,862 × 1,851,862
4. Step 4: Simplify right side
   873,440x = 3,429,392,867,044
5. Step 5: Solve for x
   x = 3,429,392,867,044/873,440
6. Step 6: Final answer
   x = 3,926,306.18