Finding the Third Proportional to 250,866 and 536,642

Step by Step Solution

1. Step 1: Write the proportion equation
   250,866 : 536,642 = 536,642 : x
2. Step 2: Convert to fraction form
   250,866/536,642 = 536,642/x
3. Step 3: Cross multiply
   250,866x = 536,642 × 536,642
4. Step 4: Simplify right side
   250,866x = 287,984,636,164
5. Step 5: Solve for x
   x = 287,984,636,164/250,866
6. Step 6: Final answer
   x = 1,147,962.00