Finding the Third Proportional to 783,144 and 1,130,636

Step by Step Solution

1. Step 1: Write the proportion equation
   783,144 : 1,130,636 = 1,130,636 : x
2. Step 2: Convert to fraction form
   783,144/1,130,636 = 1,130,636/x
3. Step 3: Cross multiply
   783,144x = 1,130,636 × 1,130,636
4. Step 4: Simplify right side
   783,144x = 1,278,337,764,496
5. Step 5: Solve for x
   x = 1,278,337,764,496/783,144
6. Step 6: Final answer
   x = 1,632,315.08