Finding the Third Proportional to 1,678,233 and 3,621,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,233 : 3,621,822 = 3,621,822 : x
2. Step 2: Convert to fraction form
   1,678,233/3,621,822 = 3,621,822/x
3. Step 3: Cross multiply
   1,678,233x = 3,621,822 × 3,621,822
4. Step 4: Simplify right side
   1,678,233x = 13,117,594,599,684
5. Step 5: Solve for x
   x = 13,117,594,599,684/1,678,233
6. Step 6: Final answer
   x = 7,816,313.11