Finding the Third Proportional to 103,361.50 and 213,365

Step by Step Solution

1. Step 1: Write the proportion equation
   103,361.50 : 213,365 = 213,365 : x
2. Step 2: Convert to fraction form
   103,361.50/213,365 = 213,365/x
3. Step 3: Cross multiply
   103,361.50x = 213,365 × 213,365
4. Step 4: Simplify right side
   103,361.50x = 45,524,623,225
5. Step 5: Solve for x
   x = 45,524,623,225/103,361.50
6. Step 6: Final answer
   x = 440,440.81