Finding the Third Proportional to 803,118 and 1,070,679

Step by Step Solution

1. Step 1: Write the proportion equation
   803,118 : 1,070,679 = 1,070,679 : x
2. Step 2: Convert to fraction form
   803,118/1,070,679 = 1,070,679/x
3. Step 3: Cross multiply
   803,118x = 1,070,679 × 1,070,679
4. Step 4: Simplify right side
   803,118x = 1,146,353,521,041
5. Step 5: Solve for x
   x = 1,146,353,521,041/803,118
6. Step 6: Final answer
   x = 1,427,378.69