Finding the Third Proportional to 544,645 and 839,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,645 : 839,935.50 = 839,935.50 : x
2. Step 2: Convert to fraction form
   544,645/839,935.50 = 839,935.50/x
3. Step 3: Cross multiply
   544,645x = 839,935.50 × 839,935.50
4. Step 4: Simplify right side
   544,645x = 705,491,644,160.25
5. Step 5: Solve for x
   x = 705,491,644,160.25/544,645
6. Step 6: Final answer
   x = 1,295,323.82