Finding the Third Proportional to 28,216 and 43,404

Step by Step Solution

1. Step 1: Write the proportion equation
   28,216 : 43,404 = 43,404 : x
2. Step 2: Convert to fraction form
   28,216/43,404 = 43,404/x
3. Step 3: Cross multiply
   28,216x = 43,404 × 43,404
4. Step 4: Simplify right side
   28,216x = 1,883,907,216
5. Step 5: Solve for x
   x = 1,883,907,216/28,216
6. Step 6: Final answer
   x = 66,767.34