Finding the Third Proportional to 681,948 and 1,069,770

Step by Step Solution

1. Step 1: Write the proportion equation
   681,948 : 1,069,770 = 1,069,770 : x
2. Step 2: Convert to fraction form
   681,948/1,069,770 = 1,069,770/x
3. Step 3: Cross multiply
   681,948x = 1,069,770 × 1,069,770
4. Step 4: Simplify right side
   681,948x = 1,144,407,852,900
5. Step 5: Solve for x
   x = 1,144,407,852,900/681,948
6. Step 6: Final answer
   x = 1,678,145.33