Finding the Third Proportional to 687,472 and 1,010,136

Step by Step Solution

1. Step 1: Write the proportion equation
   687,472 : 1,010,136 = 1,010,136 : x
2. Step 2: Convert to fraction form
   687,472/1,010,136 = 1,010,136/x
3. Step 3: Cross multiply
   687,472x = 1,010,136 × 1,010,136
4. Step 4: Simplify right side
   687,472x = 1,020,374,738,496
5. Step 5: Solve for x
   x = 1,020,374,738,496/687,472
6. Step 6: Final answer
   x = 1,484,241.89