Finding the Third Proportional to 597,928 and 873,870

Step by Step Solution

1. Step 1: Write the proportion equation
   597,928 : 873,870 = 873,870 : x
2. Step 2: Convert to fraction form
   597,928/873,870 = 873,870/x
3. Step 3: Cross multiply
   597,928x = 873,870 × 873,870
4. Step 4: Simplify right side
   597,928x = 763,648,776,900
5. Step 5: Solve for x
   x = 763,648,776,900/597,928
6. Step 6: Final answer
   x = 1,277,158.42