Finding the Third Proportional to 55,519 and 72,891

Step by Step Solution

1. Step 1: Write the proportion equation
   55,519 : 72,891 = 72,891 : x
2. Step 2: Convert to fraction form
   55,519/72,891 = 72,891/x
3. Step 3: Cross multiply
   55,519x = 72,891 × 72,891
4. Step 4: Simplify right side
   55,519x = 5,313,097,881
5. Step 5: Solve for x
   x = 5,313,097,881/55,519
6. Step 6: Final answer
   x = 95,698.73