Finding the Third Proportional to 1,205,853 and 2,586,546

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,853 : 2,586,546 = 2,586,546 : x
2. Step 2: Convert to fraction form
   1,205,853/2,586,546 = 2,586,546/x
3. Step 3: Cross multiply
   1,205,853x = 2,586,546 × 2,586,546
4. Step 4: Simplify right side
   1,205,853x = 6,690,220,210,116
5. Step 5: Solve for x
   x = 6,690,220,210,116/1,205,853
6. Step 6: Final answer
   x = 5,548,122.54