Finding the Third Proportional to 681,976 and 1,069,900

Step by Step Solution

1. Step 1: Write the proportion equation
   681,976 : 1,069,900 = 1,069,900 : x
2. Step 2: Convert to fraction form
   681,976/1,069,900 = 1,069,900/x
3. Step 3: Cross multiply
   681,976x = 1,069,900 × 1,069,900
4. Step 4: Simplify right side
   681,976x = 1,144,686,010,000
5. Step 5: Solve for x
   x = 1,144,686,010,000/681,976
6. Step 6: Final answer
   x = 1,678,484.30