Finding the Third Proportional to 687,848 and 1,062,876

Step by Step Solution

1. Step 1: Write the proportion equation
   687,848 : 1,062,876 = 1,062,876 : x
2. Step 2: Convert to fraction form
   687,848/1,062,876 = 1,062,876/x
3. Step 3: Cross multiply
   687,848x = 1,062,876 × 1,062,876
4. Step 4: Simplify right side
   687,848x = 1,129,705,391,376
5. Step 5: Solve for x
   x = 1,129,705,391,376/687,848
6. Step 6: Final answer
   x = 1,642,376.50