Finding the Third Proportional to 757,400 and 1,659,648

Step by Step Solution

1. Step 1: Write the proportion equation
   757,400 : 1,659,648 = 1,659,648 : x
2. Step 2: Convert to fraction form
   757,400/1,659,648 = 1,659,648/x
3. Step 3: Cross multiply
   757,400x = 1,659,648 × 1,659,648
4. Step 4: Simplify right side
   757,400x = 2,754,431,483,904
5. Step 5: Solve for x
   x = 2,754,431,483,904/757,400
6. Step 6: Final answer
   x = 3,636,693.27