Finding the Third Proportional to 229,392 and 539,777.25

Step by Step Solution

1. Step 1: Write the proportion equation
   229,392 : 539,777.25 = 539,777.25 : x
2. Step 2: Convert to fraction form
   229,392/539,777.25 = 539,777.25/x
3. Step 3: Cross multiply
   229,392x = 539,777.25 × 539,777.25
4. Step 4: Simplify right side
   229,392x = 291,359,479,617.56
5. Step 5: Solve for x
   x = 291,359,479,617.56/229,392
6. Step 6: Final answer
   x = 1,270,137.93