Finding the Third Proportional to 258,362 and 554,095

Step by Step Solution

1. Step 1: Write the proportion equation
   258,362 : 554,095 = 554,095 : x
2. Step 2: Convert to fraction form
   258,362/554,095 = 554,095/x
3. Step 3: Cross multiply
   258,362x = 554,095 × 554,095
4. Step 4: Simplify right side
   258,362x = 307,021,269,025
5. Step 5: Solve for x
   x = 307,021,269,025/258,362
6. Step 6: Final answer
   x = 1,188,337.56