Finding the Third Proportional to 574,641 and 909,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,641 : 909,469.50 = 909,469.50 : x
2. Step 2: Convert to fraction form
   574,641/909,469.50 = 909,469.50/x
3. Step 3: Cross multiply
   574,641x = 909,469.50 × 909,469.50
4. Step 4: Simplify right side
   574,641x = 827,134,771,430.25
5. Step 5: Solve for x
   x = 827,134,771,430.25/574,641
6. Step 6: Final answer
   x = 1,439,393.94