Finding the Third Proportional to 28,216 and 43,536

Step by Step Solution

1. Step 1: Write the proportion equation
   28,216 : 43,536 = 43,536 : x
2. Step 2: Convert to fraction form
   28,216/43,536 = 43,536/x
3. Step 3: Cross multiply
   28,216x = 43,536 × 43,536
4. Step 4: Simplify right side
   28,216x = 1,895,383,296
5. Step 5: Solve for x
   x = 1,895,383,296/28,216
6. Step 6: Final answer
   x = 67,174.06