Finding the Third Proportional to 1,490,859 and 3,217,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,859 : 3,217,770 = 3,217,770 : x
2. Step 2: Convert to fraction form
   1,490,859/3,217,770 = 3,217,770/x
3. Step 3: Cross multiply
   1,490,859x = 3,217,770 × 3,217,770
4. Step 4: Simplify right side
   1,490,859x = 10,354,043,772,900
5. Step 5: Solve for x
   x = 10,354,043,772,900/1,490,859
6. Step 6: Final answer
   x = 6,945,018.79