Finding the Third Proportional to 687,543 and 1,010,252

Step by Step Solution

1. Step 1: Write the proportion equation
   687,543 : 1,010,252 = 1,010,252 : x
2. Step 2: Convert to fraction form
   687,543/1,010,252 = 1,010,252/x
3. Step 3: Cross multiply
   687,543x = 1,010,252 × 1,010,252
4. Step 4: Simplify right side
   687,543x = 1,020,609,103,504
5. Step 5: Solve for x
   x = 1,020,609,103,504/687,543
6. Step 6: Final answer
   x = 1,484,429.49