Finding the Third Proportional to 400,850.25 and 834,870

Step by Step Solution

1. Step 1: Write the proportion equation
   400,850.25 : 834,870 = 834,870 : x
2. Step 2: Convert to fraction form
   400,850.25/834,870 = 834,870/x
3. Step 3: Cross multiply
   400,850.25x = 834,870 × 834,870
4. Step 4: Simplify right side
   400,850.25x = 697,007,916,900
5. Step 5: Solve for x
   x = 697,007,916,900/400,850.25
6. Step 6: Final answer
   x = 1,738,823.71