Finding the Third Proportional to 689,328 and 1,514,722

Step by Step Solution

1. Step 1: Write the proportion equation
   689,328 : 1,514,722 = 1,514,722 : x
2. Step 2: Convert to fraction form
   689,328/1,514,722 = 1,514,722/x
3. Step 3: Cross multiply
   689,328x = 1,514,722 × 1,514,722
4. Step 4: Simplify right side
   689,328x = 2,294,382,737,284
5. Step 5: Solve for x
   x = 2,294,382,737,284/689,328
6. Step 6: Final answer
   x = 3,328,433.98