Finding the Third Proportional to 1,685,178 and 3,607,524

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,178 : 3,607,524 = 3,607,524 : x
2. Step 2: Convert to fraction form
   1,685,178/3,607,524 = 3,607,524/x
3. Step 3: Cross multiply
   1,685,178x = 3,607,524 × 3,607,524
4. Step 4: Simplify right side
   1,685,178x = 13,014,229,410,576
5. Step 5: Solve for x
   x = 13,014,229,410,576/1,685,178
6. Step 6: Final answer
   x = 7,722,762.47