Finding the Third Proportional to 659,980 and 1,029,404

Step by Step Solution

1. Step 1: Write the proportion equation
   659,980 : 1,029,404 = 1,029,404 : x
2. Step 2: Convert to fraction form
   659,980/1,029,404 = 1,029,404/x
3. Step 3: Cross multiply
   659,980x = 1,029,404 × 1,029,404
4. Step 4: Simplify right side
   659,980x = 1,059,672,595,216
5. Step 5: Solve for x
   x = 1,059,672,595,216/659,980
6. Step 6: Final answer
   x = 1,605,613.19