Finding the Third Proportional to 696,589 and 1,422,698

Step by Step Solution

1. Step 1: Write the proportion equation
   696,589 : 1,422,698 = 1,422,698 : x
2. Step 2: Convert to fraction form
   696,589/1,422,698 = 1,422,698/x
3. Step 3: Cross multiply
   696,589x = 1,422,698 × 1,422,698
4. Step 4: Simplify right side
   696,589x = 2,024,069,599,204
5. Step 5: Solve for x
   x = 2,024,069,599,204/696,589
6. Step 6: Final answer
   x = 2,905,687.00