Finding the Third Proportional to 616,121 and 1,323,910

Step by Step Solution

1. Step 1: Write the proportion equation
   616,121 : 1,323,910 = 1,323,910 : x
2. Step 2: Convert to fraction form
   616,121/1,323,910 = 1,323,910/x
3. Step 3: Cross multiply
   616,121x = 1,323,910 × 1,323,910
4. Step 4: Simplify right side
   616,121x = 1,752,737,688,100
5. Step 5: Solve for x
   x = 1,752,737,688,100/616,121
6. Step 6: Final answer
   x = 2,844,794.59