Finding the Third Proportional to 660,020 and 1,029,450

Step by Step Solution

1. Step 1: Write the proportion equation
   660,020 : 1,029,450 = 1,029,450 : x
2. Step 2: Convert to fraction form
   660,020/1,029,450 = 1,029,450/x
3. Step 3: Cross multiply
   660,020x = 1,029,450 × 1,029,450
4. Step 4: Simplify right side
   660,020x = 1,059,767,302,500
5. Step 5: Solve for x
   x = 1,059,767,302,500/660,020
6. Step 6: Final answer
   x = 1,605,659.38