Finding the Third Proportional to 618,907 and 835,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,907 : 835,048.50 = 835,048.50 : x
2. Step 2: Convert to fraction form
   618,907/835,048.50 = 835,048.50/x
3. Step 3: Cross multiply
   618,907x = 835,048.50 × 835,048.50
4. Step 4: Simplify right side
   618,907x = 697,305,997,352.25
5. Step 5: Solve for x
   x = 697,305,997,352.25/618,907
6. Step 6: Final answer
   x = 1,126,673.31