Finding the Third Proportional to 607,839 and 1,322,706

Step by Step Solution

1. Step 1: Write the proportion equation
   607,839 : 1,322,706 = 1,322,706 : x
2. Step 2: Convert to fraction form
   607,839/1,322,706 = 1,322,706/x
3. Step 3: Cross multiply
   607,839x = 1,322,706 × 1,322,706
4. Step 4: Simplify right side
   607,839x = 1,749,551,162,436
5. Step 5: Solve for x
   x = 1,749,551,162,436/607,839
6. Step 6: Final answer
   x = 2,878,313.44