Finding the Third Proportional to 831,870 and 1,322,325

Step by Step Solution

1. Step 1: Write the proportion equation
   831,870 : 1,322,325 = 1,322,325 : x
2. Step 2: Convert to fraction form
   831,870/1,322,325 = 1,322,325/x
3. Step 3: Cross multiply
   831,870x = 1,322,325 × 1,322,325
4. Step 4: Simplify right side
   831,870x = 1,748,543,405,625
5. Step 5: Solve for x
   x = 1,748,543,405,625/831,870
6. Step 6: Final answer
   x = 2,101,943.10