Finding the Third Proportional to 1,490,640 and 3,217,314

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,640 : 3,217,314 = 3,217,314 : x
2. Step 2: Convert to fraction form
   1,490,640/3,217,314 = 3,217,314/x
3. Step 3: Cross multiply
   1,490,640x = 3,217,314 × 3,217,314
4. Step 4: Simplify right side
   1,490,640x = 10,351,109,374,596
5. Step 5: Solve for x
   x = 10,351,109,374,596/1,490,640
6. Step 6: Final answer
   x = 6,944,070.58