Finding the Third Proportional to 835,664 and 1,291,830

Step by Step Solution

1. Step 1: Write the proportion equation
   835,664 : 1,291,830 = 1,291,830 : x
2. Step 2: Convert to fraction form
   835,664/1,291,830 = 1,291,830/x
3. Step 3: Cross multiply
   835,664x = 1,291,830 × 1,291,830
4. Step 4: Simplify right side
   835,664x = 1,668,824,748,900
5. Step 5: Solve for x
   x = 1,668,824,748,900/835,664
6. Step 6: Final answer
   x = 1,997,004.48