Finding the Third Proportional to 831,100 and 1,819,842

Step by Step Solution

1. Step 1: Write the proportion equation
   831,100 : 1,819,842 = 1,819,842 : x
2. Step 2: Convert to fraction form
   831,100/1,819,842 = 1,819,842/x
3. Step 3: Cross multiply
   831,100x = 1,819,842 × 1,819,842
4. Step 4: Simplify right side
   831,100x = 3,311,824,904,964
5. Step 5: Solve for x
   x = 3,311,824,904,964/831,100
6. Step 6: Final answer
   x = 3,984,869.34