Finding the Third Proportional to 710,342 and 1,521,574

Step by Step Solution

1. Step 1: Write the proportion equation
   710,342 : 1,521,574 = 1,521,574 : x
2. Step 2: Convert to fraction form
   710,342/1,521,574 = 1,521,574/x
3. Step 3: Cross multiply
   710,342x = 1,521,574 × 1,521,574
4. Step 4: Simplify right side
   710,342x = 2,315,187,437,476
5. Step 5: Solve for x
   x = 2,315,187,437,476/710,342
6. Step 6: Final answer
   x = 3,259,257.42