Finding the Third Proportional to 607,840 and 1,322,707

Step by Step Solution

1. Step 1: Write the proportion equation
   607,840 : 1,322,707 = 1,322,707 : x
2. Step 2: Convert to fraction form
   607,840/1,322,707 = 1,322,707/x
3. Step 3: Cross multiply
   607,840x = 1,322,707 × 1,322,707
4. Step 4: Simplify right side
   607,840x = 1,749,553,807,849
5. Step 5: Solve for x
   x = 1,749,553,807,849/607,840
6. Step 6: Final answer
   x = 2,878,313.06