Finding the Third Proportional to 90,936.50 and 214,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,936.50 : 214,361.50 = 214,361.50 : x
2. Step 2: Convert to fraction form
   90,936.50/214,361.50 = 214,361.50/x
3. Step 3: Cross multiply
   90,936.50x = 214,361.50 × 214,361.50
4. Step 4: Simplify right side
   90,936.50x = 45,950,852,682.25
5. Step 5: Solve for x
   x = 45,950,852,682.25/90,936.50
6. Step 6: Final answer
   x = 505,307.03