Finding the Third Proportional to 574,461 and 909,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,461 : 909,211.50 = 909,211.50 : x
2. Step 2: Convert to fraction form
   574,461/909,211.50 = 909,211.50/x
3. Step 3: Cross multiply
   574,461x = 909,211.50 × 909,211.50
4. Step 4: Simplify right side
   574,461x = 826,665,551,732.25
5. Step 5: Solve for x
   x = 826,665,551,732.25/574,461
6. Step 6: Final answer
   x = 1,439,028.15