Finding the Third Proportional to 660,766 and 1,004,989

Step by Step Solution

1. Step 1: Write the proportion equation
   660,766 : 1,004,989 = 1,004,989 : x
2. Step 2: Convert to fraction form
   660,766/1,004,989 = 1,004,989/x
3. Step 3: Cross multiply
   660,766x = 1,004,989 × 1,004,989
4. Step 4: Simplify right side
   660,766x = 1,010,002,890,121
5. Step 5: Solve for x
   x = 1,010,002,890,121/660,766
6. Step 6: Final answer
   x = 1,528,533.38