Finding the Third Proportional to 1,464,678 and 2,217,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464,678 : 2,217,672 = 2,217,672 : x
2. Step 2: Convert to fraction form
   1,464,678/2,217,672 = 2,217,672/x
3. Step 3: Cross multiply
   1,464,678x = 2,217,672 × 2,217,672
4. Step 4: Simplify right side
   1,464,678x = 4,918,069,099,584
5. Step 5: Solve for x
   x = 4,918,069,099,584/1,464,678
6. Step 6: Final answer
   x = 3,357,781.78