Finding the Third Proportional to 678,168 and 1,026,000

Step by Step Solution

1. Step 1: Write the proportion equation
   678,168 : 1,026,000 = 1,026,000 : x
2. Step 2: Convert to fraction form
   678,168/1,026,000 = 1,026,000/x
3. Step 3: Cross multiply
   678,168x = 1,026,000 × 1,026,000
4. Step 4: Simplify right side
   678,168x = 1,052,676,000,000
5. Step 5: Solve for x
   x = 1,052,676,000,000/678,168
6. Step 6: Final answer
   x = 1,552,234.84