Finding the Third Proportional to 835,405 and 1,345,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   835,405 : 1,345,124.50 = 1,345,124.50 : x
2. Step 2: Convert to fraction form
   835,405/1,345,124.50 = 1,345,124.50/x
3. Step 3: Cross multiply
   835,405x = 1,345,124.50 × 1,345,124.50
4. Step 4: Simplify right side
   835,405x = 1,809,359,920,500.25
5. Step 5: Solve for x
   x = 1,809,359,920,500.25/835,405
6. Step 6: Final answer
   x = 2,165,847.61