Finding the Third Proportional to 609,414 and 1,410,600

Step by Step Solution

1. Step 1: Write the proportion equation
   609,414 : 1,410,600 = 1,410,600 : x
2. Step 2: Convert to fraction form
   609,414/1,410,600 = 1,410,600/x
3. Step 3: Cross multiply
   609,414x = 1,410,600 × 1,410,600
4. Step 4: Simplify right side
   609,414x = 1,989,792,360,000
5. Step 5: Solve for x
   x = 1,989,792,360,000/609,414
6. Step 6: Final answer
   x = 3,265,091.32