Finding the Third Proportional to 1,578,536 and 3,409,324

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,536 : 3,409,324 = 3,409,324 : x
2. Step 2: Convert to fraction form
   1,578,536/3,409,324 = 3,409,324/x
3. Step 3: Cross multiply
   1,578,536x = 3,409,324 × 3,409,324
4. Step 4: Simplify right side
   1,578,536x = 11,623,490,136,976
5. Step 5: Solve for x
   x = 11,623,490,136,976/1,578,536
6. Step 6: Final answer
   x = 7,363,462.18