Finding the Third Proportional to 543,177 and 798,117.75

Step by Step Solution

1. Step 1: Write the proportion equation
   543,177 : 798,117.75 = 798,117.75 : x
2. Step 2: Convert to fraction form
   543,177/798,117.75 = 798,117.75/x
3. Step 3: Cross multiply
   543,177x = 798,117.75 × 798,117.75
4. Step 4: Simplify right side
   543,177x = 636,991,942,865.06
5. Step 5: Solve for x
   x = 636,991,942,865.06/543,177
6. Step 6: Final answer
   x = 1,172,715.23