Finding the Third Proportional to 1,714,228 and 3,686,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714,228 : 3,686,440 = 3,686,440 : x
2. Step 2: Convert to fraction form
   1,714,228/3,686,440 = 3,686,440/x
3. Step 3: Cross multiply
   1,714,228x = 3,686,440 × 3,686,440
4. Step 4: Simplify right side
   1,714,228x = 13,589,839,873,600
5. Step 5: Solve for x
   x = 13,589,839,873,600/1,714,228
6. Step 6: Final answer
   x = 7,927,673.49