Finding the Third Proportional to 574,912 and 1,209,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,912 : 1,209,405.50 = 1,209,405.50 : x
2. Step 2: Convert to fraction form
   574,912/1,209,405.50 = 1,209,405.50/x
3. Step 3: Cross multiply
   574,912x = 1,209,405.50 × 1,209,405.50
4. Step 4: Simplify right side
   574,912x = 1,462,661,663,430.25
5. Step 5: Solve for x
   x = 1,462,661,663,430.25/574,912
6. Step 6: Final answer
   x = 2,544,148.78