Finding the Third Proportional to 689,086 and 1,010,260

Step by Step Solution

1. Step 1: Write the proportion equation
   689,086 : 1,010,260 = 1,010,260 : x
2. Step 2: Convert to fraction form
   689,086/1,010,260 = 1,010,260/x
3. Step 3: Cross multiply
   689,086x = 1,010,260 × 1,010,260
4. Step 4: Simplify right side
   689,086x = 1,020,625,267,600
5. Step 5: Solve for x
   x = 1,020,625,267,600/689,086
6. Step 6: Final answer
   x = 1,481,129.01