Finding the Third Proportional to 258,796.13 and 548,722.69

Step by Step Solution

1. Step 1: Write the proportion equation
   258,796.13 : 548,722.69 = 548,722.69 : x
2. Step 2: Convert to fraction form
   258,796.13/548,722.69 = 548,722.69/x
3. Step 3: Cross multiply
   258,796.13x = 548,722.69 × 548,722.69
4. Step 4: Simplify right side
   258,796.13x = 301,096,587,777.22
5. Step 5: Solve for x
   x = 301,096,587,777.22/258,796.13
6. Step 6: Final answer
   x = 1,163,450.91