Finding the Third Proportional to 352,730 and 740,404

Step by Step Solution

1. Step 1: Write the proportion equation
   352,730 : 740,404 = 740,404 : x
2. Step 2: Convert to fraction form
   352,730/740,404 = 740,404/x
3. Step 3: Cross multiply
   352,730x = 740,404 × 740,404
4. Step 4: Simplify right side
   352,730x = 548,198,083,216
5. Step 5: Solve for x
   x = 548,198,083,216/352,730
6. Step 6: Final answer
   x = 1,554,157.81