Finding the Third Proportional to 618,908.50 and 835,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,908.50 : 835,050.50 = 835,050.50 : x
2. Step 2: Convert to fraction form
   618,908.50/835,050.50 = 835,050.50/x
3. Step 3: Cross multiply
   618,908.50x = 835,050.50 × 835,050.50
4. Step 4: Simplify right side
   618,908.50x = 697,309,337,550.25
5. Step 5: Solve for x
   x = 697,309,337,550.25/618,908.50
6. Step 6: Final answer
   x = 1,126,675.97