Finding the Third Proportional to 1,322,432 and 2,864,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322,432 : 2,864,640 = 2,864,640 : x
2. Step 2: Convert to fraction form
   1,322,432/2,864,640 = 2,864,640/x
3. Step 3: Cross multiply
   1,322,432x = 2,864,640 × 2,864,640
4. Step 4: Simplify right side
   1,322,432x = 8,206,162,329,600
5. Step 5: Solve for x
   x = 8,206,162,329,600/1,322,432
6. Step 6: Final answer
   x = 6,205,356.74