Finding the Third Proportional to 678,969 and 1,025,370

Step by Step Solution

1. Step 1: Write the proportion equation
   678,969 : 1,025,370 = 1,025,370 : x
2. Step 2: Convert to fraction form
   678,969/1,025,370 = 1,025,370/x
3. Step 3: Cross multiply
   678,969x = 1,025,370 × 1,025,370
4. Step 4: Simplify right side
   678,969x = 1,051,383,636,900
5. Step 5: Solve for x
   x = 1,051,383,636,900/678,969
6. Step 6: Final answer
   x = 1,548,500.21