Finding the Third Proportional to 607,869 and 1,322,766

Step by Step Solution

1. Step 1: Write the proportion equation
   607,869 : 1,322,766 = 1,322,766 : x
2. Step 2: Convert to fraction form
   607,869/1,322,766 = 1,322,766/x
3. Step 3: Cross multiply
   607,869x = 1,322,766 × 1,322,766
4. Step 4: Simplify right side
   607,869x = 1,749,709,890,756
5. Step 5: Solve for x
   x = 1,749,709,890,756/607,869
6. Step 6: Final answer
   x = 2,878,432.51