Finding the Third Proportional to 668,540 and 1,097,460

Step by Step Solution

1. Step 1: Write the proportion equation
   668,540 : 1,097,460 = 1,097,460 : x
2. Step 2: Convert to fraction form
   668,540/1,097,460 = 1,097,460/x
3. Step 3: Cross multiply
   668,540x = 1,097,460 × 1,097,460
4. Step 4: Simplify right side
   668,540x = 1,204,418,451,600
5. Step 5: Solve for x
   x = 1,204,418,451,600/668,540
6. Step 6: Final answer
   x = 1,801,565.28