Finding the Third Proportional to 660,764 and 1,004,986

Step by Step Solution

1. Step 1: Write the proportion equation
   660,764 : 1,004,986 = 1,004,986 : x
2. Step 2: Convert to fraction form
   660,764/1,004,986 = 1,004,986/x
3. Step 3: Cross multiply
   660,764x = 1,004,986 × 1,004,986
4. Step 4: Simplify right side
   660,764x = 1,009,996,860,196
5. Step 5: Solve for x
   x = 1,009,996,860,196/660,764
6. Step 6: Final answer
   x = 1,528,528.89