Finding the Third Proportional to 853,912 and 1,839,772

Step by Step Solution

1. Step 1: Write the proportion equation
   853,912 : 1,839,772 = 1,839,772 : x
2. Step 2: Convert to fraction form
   853,912/1,839,772 = 1,839,772/x
3. Step 3: Cross multiply
   853,912x = 1,839,772 × 1,839,772
4. Step 4: Simplify right side
   853,912x = 3,384,761,011,984
5. Step 5: Solve for x
   x = 3,384,761,011,984/853,912
6. Step 6: Final answer
   x = 3,963,828.84