Finding the Third Proportional to 272,533.50 and 636,570

Step by Step Solution

1. Step 1: Write the proportion equation
   272,533.50 : 636,570 = 636,570 : x
2. Step 2: Convert to fraction form
   272,533.50/636,570 = 636,570/x
3. Step 3: Cross multiply
   272,533.50x = 636,570 × 636,570
4. Step 4: Simplify right side
   272,533.50x = 405,221,364,900
5. Step 5: Solve for x
   x = 405,221,364,900/272,533.50
6. Step 6: Final answer
   x = 1,486,868.09