Finding the Third Proportional to 1,688,228 and 2,418,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,228 : 2,418,326 = 2,418,326 : x
2. Step 2: Convert to fraction form
   1,688,228/2,418,326 = 2,418,326/x
3. Step 3: Cross multiply
   1,688,228x = 2,418,326 × 2,418,326
4. Step 4: Simplify right side
   1,688,228x = 5,848,300,642,276
5. Step 5: Solve for x
   x = 5,848,300,642,276/1,688,228
6. Step 6: Final answer
   x = 3,464,165.17