Finding the Third Proportional to 201,267 and 426,510

Step by Step Solution

1. Step 1: Write the proportion equation
   201,267 : 426,510 = 426,510 : x
2. Step 2: Convert to fraction form
   201,267/426,510 = 426,510/x
3. Step 3: Cross multiply
   201,267x = 426,510 × 426,510
4. Step 4: Simplify right side
   201,267x = 181,910,780,100
5. Step 5: Solve for x
   x = 181,910,780,100/201,267
6. Step 6: Final answer
   x = 903,828.15