Finding the Third Proportional to 116,940 and 253,644

Step by Step Solution

1. Step 1: Write the proportion equation
   116,940 : 253,644 = 253,644 : x
2. Step 2: Convert to fraction form
   116,940/253,644 = 253,644/x
3. Step 3: Cross multiply
   116,940x = 253,644 × 253,644
4. Step 4: Simplify right side
   116,940x = 64,335,278,736
5. Step 5: Solve for x
   x = 64,335,278,736/116,940
6. Step 6: Final answer
   x = 550,156.31