Finding the Third Proportional to 30,212 and 45,462

Step by Step Solution

1. Step 1: Write the proportion equation
   30,212 : 45,462 = 45,462 : x
2. Step 2: Convert to fraction form
   30,212/45,462 = 45,462/x
3. Step 3: Cross multiply
   30,212x = 45,462 × 45,462
4. Step 4: Simplify right side
   30,212x = 2,066,793,444
5. Step 5: Solve for x
   x = 2,066,793,444/30,212
6. Step 6: Final answer
   x = 68,409.69