Finding the Third Proportional to 574,900.50 and 1,209,390

Step by Step Solution

1. Step 1: Write the proportion equation
   574,900.50 : 1,209,390 = 1,209,390 : x
2. Step 2: Convert to fraction form
   574,900.50/1,209,390 = 1,209,390/x
3. Step 3: Cross multiply
   574,900.50x = 1,209,390 × 1,209,390
4. Step 4: Simplify right side
   574,900.50x = 1,462,624,172,100
5. Step 5: Solve for x
   x = 1,462,624,172,100/574,900.50
6. Step 6: Final answer
   x = 2,544,134.46