Finding the Third Proportional to 116,860 and 252,404

Step by Step Solution

1. Step 1: Write the proportion equation
   116,860 : 252,404 = 252,404 : x
2. Step 2: Convert to fraction form
   116,860/252,404 = 252,404/x
3. Step 3: Cross multiply
   116,860x = 252,404 × 252,404
4. Step 4: Simplify right side
   116,860x = 63,707,779,216
5. Step 5: Solve for x
   x = 63,707,779,216/116,860
6. Step 6: Final answer
   x = 545,163.27