Finding the Third Proportional to 1,578,576 and 3,423,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,576 : 3,423,264 = 3,423,264 : x
2. Step 2: Convert to fraction form
   1,578,576/3,423,264 = 3,423,264/x
3. Step 3: Cross multiply
   1,578,576x = 3,423,264 × 3,423,264
4. Step 4: Simplify right side
   1,578,576x = 11,718,736,413,696
5. Step 5: Solve for x
   x = 11,718,736,413,696/1,578,576
6. Step 6: Final answer
   x = 7,423,612.43