Finding the Third Proportional to 574,459 and 804,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,459 : 804,996.50 = 804,996.50 : x
2. Step 2: Convert to fraction form
   574,459/804,996.50 = 804,996.50/x
3. Step 3: Cross multiply
   574,459x = 804,996.50 × 804,996.50
4. Step 4: Simplify right side
   574,459x = 648,019,365,012.25
5. Step 5: Solve for x
   x = 648,019,365,012.25/574,459
6. Step 6: Final answer
   x = 1,128,051.55