Finding the Third Proportional to 268,134 and 554,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,134 : 554,827.50 = 554,827.50 : x
2. Step 2: Convert to fraction form
   268,134/554,827.50 = 554,827.50/x
3. Step 3: Cross multiply
   268,134x = 554,827.50 × 554,827.50
4. Step 4: Simplify right side
   268,134x = 307,833,554,756.25
5. Step 5: Solve for x
   x = 307,833,554,756.25/268,134
6. Step 6: Final answer
   x = 1,148,058.64