Finding the Third Proportional to 972,240 and 1,521,684

Step by Step Solution

1. Step 1: Write the proportion equation
   972,240 : 1,521,684 = 1,521,684 : x
2. Step 2: Convert to fraction form
   972,240/1,521,684 = 1,521,684/x
3. Step 3: Cross multiply
   972,240x = 1,521,684 × 1,521,684
4. Step 4: Simplify right side
   972,240x = 2,315,522,195,856
5. Step 5: Solve for x
   x = 2,315,522,195,856/972,240
6. Step 6: Final answer
   x = 2,381,636.42