Finding the Third Proportional to 689,084 and 1,010,257

Step by Step Solution

1. Step 1: Write the proportion equation
   689,084 : 1,010,257 = 1,010,257 : x
2. Step 2: Convert to fraction form
   689,084/1,010,257 = 1,010,257/x
3. Step 3: Cross multiply
   689,084x = 1,010,257 × 1,010,257
4. Step 4: Simplify right side
   689,084x = 1,020,619,206,049
5. Step 5: Solve for x
   x = 1,020,619,206,049/689,084
6. Step 6: Final answer
   x = 1,481,124.52