Finding the Third Proportional to 687,551 and 1,010,264

Step by Step Solution

1. Step 1: Write the proportion equation
   687,551 : 1,010,264 = 1,010,264 : x
2. Step 2: Convert to fraction form
   687,551/1,010,264 = 1,010,264/x
3. Step 3: Cross multiply
   687,551x = 1,010,264 × 1,010,264
4. Step 4: Simplify right side
   687,551x = 1,020,633,349,696
5. Step 5: Solve for x
   x = 1,020,633,349,696/687,551
6. Step 6: Final answer
   x = 1,484,447.48