Finding the Third Proportional to 544,665 and 798,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,665 : 798,685.50 = 798,685.50 : x
2. Step 2: Convert to fraction form
   544,665/798,685.50 = 798,685.50/x
3. Step 3: Cross multiply
   544,665x = 798,685.50 × 798,685.50
4. Step 4: Simplify right side
   544,665x = 637,898,527,910.25
5. Step 5: Solve for x
   x = 637,898,527,910.25/544,665
6. Step 6: Final answer
   x = 1,171,175.91