Finding the Third Proportional to 851,179 and 1,264,710

Step by Step Solution

1. Step 1: Write the proportion equation
   851,179 : 1,264,710 = 1,264,710 : x
2. Step 2: Convert to fraction form
   851,179/1,264,710 = 1,264,710/x
3. Step 3: Cross multiply
   851,179x = 1,264,710 × 1,264,710
4. Step 4: Simplify right side
   851,179x = 1,599,491,384,100
5. Step 5: Solve for x
   x = 1,599,491,384,100/851,179
6. Step 6: Final answer
   x = 1,879,148.08