Finding the Third Proportional to 873,470 and 1,851,912

Step by Step Solution

1. Step 1: Write the proportion equation
   873,470 : 1,851,912 = 1,851,912 : x
2. Step 2: Convert to fraction form
   873,470/1,851,912 = 1,851,912/x
3. Step 3: Cross multiply
   873,470x = 1,851,912 × 1,851,912
4. Step 4: Simplify right side
   873,470x = 3,429,578,055,744
5. Step 5: Solve for x
   x = 3,429,578,055,744/873,470
6. Step 6: Final answer
   x = 3,926,383.34