Finding the Third Proportional to 201,199.50 and 426,384

Step by Step Solution

1. Step 1: Write the proportion equation
   201,199.50 : 426,384 = 426,384 : x
2. Step 2: Convert to fraction form
   201,199.50/426,384 = 426,384/x
3. Step 3: Cross multiply
   201,199.50x = 426,384 × 426,384
4. Step 4: Simplify right side
   201,199.50x = 181,803,315,456
5. Step 5: Solve for x
   x = 181,803,315,456/201,199.50
6. Step 6: Final answer
   x = 903,597.25