Finding the Third Proportional to 717,471 and 1,509,300

Step by Step Solution

1. Step 1: Write the proportion equation
   717,471 : 1,509,300 = 1,509,300 : x
2. Step 2: Convert to fraction form
   717,471/1,509,300 = 1,509,300/x
3. Step 3: Cross multiply
   717,471x = 1,509,300 × 1,509,300
4. Step 4: Simplify right side
   717,471x = 2,277,986,490,000
5. Step 5: Solve for x
   x = 2,277,986,490,000/717,471
6. Step 6: Final answer
   x = 3,175,022.39