Finding the Third Proportional to 666,291 and 1,023,505

Step by Step Solution

1. Step 1: Write the proportion equation
   666,291 : 1,023,505 = 1,023,505 : x
2. Step 2: Convert to fraction form
   666,291/1,023,505 = 1,023,505/x
3. Step 3: Cross multiply
   666,291x = 1,023,505 × 1,023,505
4. Step 4: Simplify right side
   666,291x = 1,047,562,485,025
5. Step 5: Solve for x
   x = 1,047,562,485,025/666,291
6. Step 6: Final answer
   x = 1,572,229.68