Finding the Third Proportional to 718,685 and 1,078,045

Step by Step Solution

1. Step 1: Write the proportion equation
   718,685 : 1,078,045 = 1,078,045 : x
2. Step 2: Convert to fraction form
   718,685/1,078,045 = 1,078,045/x
3. Step 3: Cross multiply
   718,685x = 1,078,045 × 1,078,045
4. Step 4: Simplify right side
   718,685x = 1,162,181,022,025
5. Step 5: Solve for x
   x = 1,162,181,022,025/718,685
6. Step 6: Final answer
   x = 1,617,093.75