Finding the Third Proportional to 118,821 and 253,050

Step by Step Solution

1. Step 1: Write the proportion equation
   118,821 : 253,050 = 253,050 : x
2. Step 2: Convert to fraction form
   118,821/253,050 = 253,050/x
3. Step 3: Cross multiply
   118,821x = 253,050 × 253,050
4. Step 4: Simplify right side
   118,821x = 64,034,302,500
5. Step 5: Solve for x
   x = 64,034,302,500/118,821
6. Step 6: Final answer
   x = 538,914.02