Finding the Third Proportional to 804,578 and 1,762,772

Step by Step Solution

1. Step 1: Write the proportion equation
   804,578 : 1,762,772 = 1,762,772 : x
2. Step 2: Convert to fraction form
   804,578/1,762,772 = 1,762,772/x
3. Step 3: Cross multiply
   804,578x = 1,762,772 × 1,762,772
4. Step 4: Simplify right side
   804,578x = 3,107,365,123,984
5. Step 5: Solve for x
   x = 3,107,365,123,984/804,578
6. Step 6: Final answer
   x = 3,862,105.51