Finding the Third Proportional to 99,104 and 213,760

Step by Step Solution

1. Step 1: Write the proportion equation
   99,104 : 213,760 = 213,760 : x
2. Step 2: Convert to fraction form
   99,104/213,760 = 213,760/x
3. Step 3: Cross multiply
   99,104x = 213,760 × 213,760
4. Step 4: Simplify right side
   99,104x = 45,693,337,600
5. Step 5: Solve for x
   x = 45,693,337,600/99,104
6. Step 6: Final answer
   x = 461,064.51