Finding the Third Proportional to 689,342 and 1,514,746

Step by Step Solution

1. Step 1: Write the proportion equation
   689,342 : 1,514,746 = 1,514,746 : x
2. Step 2: Convert to fraction form
   689,342/1,514,746 = 1,514,746/x
3. Step 3: Cross multiply
   689,342x = 1,514,746 × 1,514,746
4. Step 4: Simplify right side
   689,342x = 2,294,455,444,516
5. Step 5: Solve for x
   x = 2,294,455,444,516/689,342
6. Step 6: Final answer
   x = 3,328,471.85