Finding the Third Proportional to 589,065 and 1,221,843

Step by Step Solution

1. Step 1: Write the proportion equation
   589,065 : 1,221,843 = 1,221,843 : x
2. Step 2: Convert to fraction form
   589,065/1,221,843 = 1,221,843/x
3. Step 3: Cross multiply
   589,065x = 1,221,843 × 1,221,843
4. Step 4: Simplify right side
   589,065x = 1,492,900,316,649
5. Step 5: Solve for x
   x = 1,492,900,316,649/589,065
6. Step 6: Final answer
   x = 2,534,355.83