Finding the Third Proportional to 1,563,578 and 2,331,706

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,578 : 2,331,706 = 2,331,706 : x
2. Step 2: Convert to fraction form
   1,563,578/2,331,706 = 2,331,706/x
3. Step 3: Cross multiply
   1,563,578x = 2,331,706 × 2,331,706
4. Step 4: Simplify right side
   1,563,578x = 5,436,852,870,436
5. Step 5: Solve for x
   x = 5,436,852,870,436/1,563,578
6. Step 6: Final answer
   x = 3,477,186.86