Finding the Third Proportional to 1,648,512 and 2,615,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,512 : 2,615,328 = 2,615,328 : x
2. Step 2: Convert to fraction form
   1,648,512/2,615,328 = 2,615,328/x
3. Step 3: Cross multiply
   1,648,512x = 2,615,328 × 2,615,328
4. Step 4: Simplify right side
   1,648,512x = 6,839,940,547,584
5. Step 5: Solve for x
   x = 6,839,940,547,584/1,648,512
6. Step 6: Final answer
   x = 4,149,160.30