Finding the Third Proportional to 548,724 and 844,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   548,724 : 844,485.50 = 844,485.50 : x
2. Step 2: Convert to fraction form
   548,724/844,485.50 = 844,485.50/x
3. Step 3: Cross multiply
   548,724x = 844,485.50 × 844,485.50
4. Step 4: Simplify right side
   548,724x = 713,155,759,710.25
5. Step 5: Solve for x
   x = 713,155,759,710.25/548,724
6. Step 6: Final answer
   x = 1,299,662.05