Finding the Third Proportional to 248,994 and 540,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   248,994 : 540,209.25 = 540,209.25 : x
2. Step 2: Convert to fraction form
   248,994/540,209.25 = 540,209.25/x
3. Step 3: Cross multiply
   248,994x = 540,209.25 × 540,209.25
4. Step 4: Simplify right side
   248,994x = 291,826,033,785.56
5. Step 5: Solve for x
   x = 291,826,033,785.56/248,994
6. Step 6: Final answer
   x = 1,172,020.35