Finding the Third Proportional to 972,236 and 1,521,678

Step by Step Solution

1. Step 1: Write the proportion equation
   972,236 : 1,521,678 = 1,521,678 : x
2. Step 2: Convert to fraction form
   972,236/1,521,678 = 1,521,678/x
3. Step 3: Cross multiply
   972,236x = 1,521,678 × 1,521,678
4. Step 4: Simplify right side
   972,236x = 2,315,503,935,684
5. Step 5: Solve for x
   x = 2,315,503,935,684/972,236
6. Step 6: Final answer
   x = 2,381,627.44