Finding the Third Proportional to 116,007 and 253,320

Step by Step Solution

1. Step 1: Write the proportion equation
   116,007 : 253,320 = 253,320 : x
2. Step 2: Convert to fraction form
   116,007/253,320 = 253,320/x
3. Step 3: Cross multiply
   116,007x = 253,320 × 253,320
4. Step 4: Simplify right side
   116,007x = 64,171,022,400
5. Step 5: Solve for x
   x = 64,171,022,400/116,007
6. Step 6: Final answer
   x = 553,165.09