Finding the Third Proportional to 1,715,678 and 3,713,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,678 : 3,713,772 = 3,713,772 : x
2. Step 2: Convert to fraction form
   1,715,678/3,713,772 = 3,713,772/x
3. Step 3: Cross multiply
   1,715,678x = 3,713,772 × 3,713,772
4. Step 4: Simplify right side
   1,715,678x = 13,792,102,467,984
5. Step 5: Solve for x
   x = 13,792,102,467,984/1,715,678
6. Step 6: Final answer
   x = 8,038,864.21