Finding the Third Proportional to 774,200 and 1,161,636

Step by Step Solution

1. Step 1: Write the proportion equation
   774,200 : 1,161,636 = 1,161,636 : x
2. Step 2: Convert to fraction form
   774,200/1,161,636 = 1,161,636/x
3. Step 3: Cross multiply
   774,200x = 1,161,636 × 1,161,636
4. Step 4: Simplify right side
   774,200x = 1,349,398,196,496
5. Step 5: Solve for x
   x = 1,349,398,196,496/774,200
6. Step 6: Final answer
   x = 1,742,958.15