Finding the Third Proportional to 544,648.50 and 839,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,648.50 : 839,941.50 = 839,941.50 : x
2. Step 2: Convert to fraction form
   544,648.50/839,941.50 = 839,941.50/x
3. Step 3: Cross multiply
   544,648.50x = 839,941.50 × 839,941.50
4. Step 4: Simplify right side
   544,648.50x = 705,501,723,422.25
5. Step 5: Solve for x
   x = 705,501,723,422.25/544,648.50
6. Step 6: Final answer
   x = 1,295,334.01