Finding the Third Proportional to 125,959 and 266,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   125,959 : 266,136.50 = 266,136.50 : x
2. Step 2: Convert to fraction form
   125,959/266,136.50 = 266,136.50/x
3. Step 3: Cross multiply
   125,959x = 266,136.50 × 266,136.50
4. Step 4: Simplify right side
   125,959x = 70,828,636,632.25
5. Step 5: Solve for x
   x = 70,828,636,632.25/125,959
6. Step 6: Final answer
   x = 562,315.01