Finding the Third Proportional to 831,832 and 1,242,200

Step by Step Solution

1. Step 1: Write the proportion equation
   831,832 : 1,242,200 = 1,242,200 : x
2. Step 2: Convert to fraction form
   831,832/1,242,200 = 1,242,200/x
3. Step 3: Cross multiply
   831,832x = 1,242,200 × 1,242,200
4. Step 4: Simplify right side
   831,832x = 1,543,060,840,000
5. Step 5: Solve for x
   x = 1,543,060,840,000/831,832
6. Step 6: Final answer
   x = 1,855,015.00