Finding the Third Proportional to 553,608 and 1,151,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   553,608 : 1,151,389.50 = 1,151,389.50 : x
2. Step 2: Convert to fraction form
   553,608/1,151,389.50 = 1,151,389.50/x
3. Step 3: Cross multiply
   553,608x = 1,151,389.50 × 1,151,389.50
4. Step 4: Simplify right side
   553,608x = 1,325,697,780,710.25
5. Step 5: Solve for x
   x = 1,325,697,780,710.25/553,608
6. Step 6: Final answer
   x = 2,394,650.69