Finding the Third Proportional to 670,680 and 1,014,678

Step by Step Solution

1. Step 1: Write the proportion equation
   670,680 : 1,014,678 = 1,014,678 : x
2. Step 2: Convert to fraction form
   670,680/1,014,678 = 1,014,678/x
3. Step 3: Cross multiply
   670,680x = 1,014,678 × 1,014,678
4. Step 4: Simplify right side
   670,680x = 1,029,571,443,684
5. Step 5: Solve for x
   x = 1,029,571,443,684/670,680
6. Step 6: Final answer
   x = 1,535,115.77