Finding the Third Proportional to 104,018 and 212,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,018 : 212,965.50 = 212,965.50 : x
2. Step 2: Convert to fraction form
   104,018/212,965.50 = 212,965.50/x
3. Step 3: Cross multiply
   104,018x = 212,965.50 × 212,965.50
4. Step 4: Simplify right side
   104,018x = 45,354,304,190.25
5. Step 5: Solve for x
   x = 45,354,304,190.25/104,018
6. Step 6: Final answer
   x = 436,023.61