Finding the Third Proportional to 548,937 and 823,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   548,937 : 823,405.50 = 823,405.50 : x
2. Step 2: Convert to fraction form
   548,937/823,405.50 = 823,405.50/x
3. Step 3: Cross multiply
   548,937x = 823,405.50 × 823,405.50
4. Step 4: Simplify right side
   548,937x = 677,996,617,430.25
5. Step 5: Solve for x
   x = 677,996,617,430.25/548,937
6. Step 6: Final answer
   x = 1,235,108.25