Finding the Third Proportional to 689,896 and 1,030,588

Step by Step Solution

1. Step 1: Write the proportion equation
   689,896 : 1,030,588 = 1,030,588 : x
2. Step 2: Convert to fraction form
   689,896/1,030,588 = 1,030,588/x
3. Step 3: Cross multiply
   689,896x = 1,030,588 × 1,030,588
4. Step 4: Simplify right side
   689,896x = 1,062,111,625,744
5. Step 5: Solve for x
   x = 1,062,111,625,744/689,896
6. Step 6: Final answer
   x = 1,539,524.26