Finding the Third Proportional to 823,567 and 1,778,354

Step by Step Solution

1. Step 1: Write the proportion equation
   823,567 : 1,778,354 = 1,778,354 : x
2. Step 2: Convert to fraction form
   823,567/1,778,354 = 1,778,354/x
3. Step 3: Cross multiply
   823,567x = 1,778,354 × 1,778,354
4. Step 4: Simplify right side
   823,567x = 3,162,542,949,316
5. Step 5: Solve for x
   x = 3,162,542,949,316/823,567
6. Step 6: Final answer
   x = 3,840,055.45