Finding the Third Proportional to 831,188 and 1,817,896

Step by Step Solution

1. Step 1: Write the proportion equation
   831,188 : 1,817,896 = 1,817,896 : x
2. Step 2: Convert to fraction form
   831,188/1,817,896 = 1,817,896/x
3. Step 3: Cross multiply
   831,188x = 1,817,896 × 1,817,896
4. Step 4: Simplify right side
   831,188x = 3,304,745,866,816
5. Step 5: Solve for x
   x = 3,304,745,866,816/831,188
6. Step 6: Final answer
   x = 3,975,930.68