Finding the Third Proportional to 273,074 and 577,300

Step by Step Solution

1. Step 1: Write the proportion equation
   273,074 : 577,300 = 577,300 : x
2. Step 2: Convert to fraction form
   273,074/577,300 = 577,300/x
3. Step 3: Cross multiply
   273,074x = 577,300 × 577,300
4. Step 4: Simplify right side
   273,074x = 333,275,290,000
5. Step 5: Solve for x
   x = 333,275,290,000/273,074
6. Step 6: Final answer
   x = 1,220,457.79