Finding the Third Proportional to 835,404 and 1,345,123

Step by Step Solution

1. Step 1: Write the proportion equation
   835,404 : 1,345,123 = 1,345,123 : x
2. Step 2: Convert to fraction form
   835,404/1,345,123 = 1,345,123/x
3. Step 3: Cross multiply
   835,404x = 1,345,123 × 1,345,123
4. Step 4: Simplify right side
   835,404x = 1,809,355,885,129
5. Step 5: Solve for x
   x = 1,809,355,885,129/835,404
6. Step 6: Final answer
   x = 2,165,845.37