Finding the Third Proportional to 858,770 and 1,946,720

Step by Step Solution

1. Step 1: Write the proportion equation
   858,770 : 1,946,720 = 1,946,720 : x
2. Step 2: Convert to fraction form
   858,770/1,946,720 = 1,946,720/x
3. Step 3: Cross multiply
   858,770x = 1,946,720 × 1,946,720
4. Step 4: Simplify right side
   858,770x = 3,789,718,758,400
5. Step 5: Solve for x
   x = 3,789,718,758,400/858,770
6. Step 6: Final answer
   x = 4,412,961.28