Finding the Third Proportional to 609,418 and 1,410,610

Step by Step Solution

1. Step 1: Write the proportion equation
   609,418 : 1,410,610 = 1,410,610 : x
2. Step 2: Convert to fraction form
   609,418/1,410,610 = 1,410,610/x
3. Step 3: Cross multiply
   609,418x = 1,410,610 × 1,410,610
4. Step 4: Simplify right side
   609,418x = 1,989,820,572,100
5. Step 5: Solve for x
   x = 1,989,820,572,100/609,418
6. Step 6: Final answer
   x = 3,265,116.18