Finding the Third Proportional to 687,537 and 1,010,243

Step by Step Solution

1. Step 1: Write the proportion equation
   687,537 : 1,010,243 = 1,010,243 : x
2. Step 2: Convert to fraction form
   687,537/1,010,243 = 1,010,243/x
3. Step 3: Cross multiply
   687,537x = 1,010,243 × 1,010,243
4. Step 4: Simplify right side
   687,537x = 1,020,590,919,049
5. Step 5: Solve for x
   x = 1,020,590,919,049/687,537
6. Step 6: Final answer
   x = 1,484,415.99