Finding the Third Proportional to 54,699 and 71,826

Step by Step Solution

1. Step 1: Write the proportion equation
   54,699 : 71,826 = 71,826 : x
2. Step 2: Convert to fraction form
   54,699/71,826 = 71,826/x
3. Step 3: Cross multiply
   54,699x = 71,826 × 71,826
4. Step 4: Simplify right side
   54,699x = 5,158,974,276
5. Step 5: Solve for x
   x = 5,158,974,276/54,699
6. Step 6: Final answer
   x = 94,315.70