Finding the Third Proportional to 513,562 and 1,145,144

Step by Step Solution

1. Step 1: Write the proportion equation
   513,562 : 1,145,144 = 1,145,144 : x
2. Step 2: Convert to fraction form
   513,562/1,145,144 = 1,145,144/x
3. Step 3: Cross multiply
   513,562x = 1,145,144 × 1,145,144
4. Step 4: Simplify right side
   513,562x = 1,311,354,780,736
5. Step 5: Solve for x
   x = 1,311,354,780,736/513,562
6. Step 6: Final answer
   x = 2,553,449.79