Finding the Third Proportional to 668,400 and 1,034,504

Step by Step Solution

1. Step 1: Write the proportion equation
   668,400 : 1,034,504 = 1,034,504 : x
2. Step 2: Convert to fraction form
   668,400/1,034,504 = 1,034,504/x
3. Step 3: Cross multiply
   668,400x = 1,034,504 × 1,034,504
4. Step 4: Simplify right side
   668,400x = 1,070,198,526,016
5. Step 5: Solve for x
   x = 1,070,198,526,016/668,400
6. Step 6: Final answer
   x = 1,601,134.84