Finding the Third Proportional to 379,718 and 835,222

Step by Step Solution

1. Step 1: Write the proportion equation
   379,718 : 835,222 = 835,222 : x
2. Step 2: Convert to fraction form
   379,718/835,222 = 835,222/x
3. Step 3: Cross multiply
   379,718x = 835,222 × 835,222
4. Step 4: Simplify right side
   379,718x = 697,595,789,284
5. Step 5: Solve for x
   x = 697,595,789,284/379,718
6. Step 6: Final answer
   x = 1,837,141.75