Finding the Third Proportional to 687,100 and 1,069,914

Step by Step Solution

1. Step 1: Write the proportion equation
   687,100 : 1,069,914 = 1,069,914 : x
2. Step 2: Convert to fraction form
   687,100/1,069,914 = 1,069,914/x
3. Step 3: Cross multiply
   687,100x = 1,069,914 × 1,069,914
4. Step 4: Simplify right side
   687,100x = 1,144,715,967,396
5. Step 5: Solve for x
   x = 1,144,715,967,396/687,100
6. Step 6: Final answer
   x = 1,666,010.72