Finding the Third Proportional to 1,490,856 and 3,217,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,856 : 3,217,764 = 3,217,764 : x
2. Step 2: Convert to fraction form
   1,490,856/3,217,764 = 3,217,764/x
3. Step 3: Cross multiply
   1,490,856x = 3,217,764 × 3,217,764
4. Step 4: Simplify right side
   1,490,856x = 10,354,005,159,696
5. Step 5: Solve for x
   x = 10,354,005,159,696/1,490,856
6. Step 6: Final answer
   x = 6,945,006.87