Finding the Third Proportional to 607,869 and 1,322,764

Step by Step Solution

1. Step 1: Write the proportion equation
   607,869 : 1,322,764 = 1,322,764 : x
2. Step 2: Convert to fraction form
   607,869/1,322,764 = 1,322,764/x
3. Step 3: Cross multiply
   607,869x = 1,322,764 × 1,322,764
4. Step 4: Simplify right side
   607,869x = 1,749,704,599,696
5. Step 5: Solve for x
   x = 1,749,704,599,696/607,869
6. Step 6: Final answer
   x = 2,878,423.80