Finding the Third Proportional to 607,808 and 1,322,644

Step by Step Solution

1. Step 1: Write the proportion equation
   607,808 : 1,322,644 = 1,322,644 : x
2. Step 2: Convert to fraction form
   607,808/1,322,644 = 1,322,644/x
3. Step 3: Cross multiply
   607,808x = 1,322,644 × 1,322,644
4. Step 4: Simplify right side
   607,808x = 1,749,387,150,736
5. Step 5: Solve for x
   x = 1,749,387,150,736/607,808
6. Step 6: Final answer
   x = 2,878,190.40