Finding the Third Proportional to 2,072,360 and 4,459,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,360 : 4,459,640 = 4,459,640 : x
2. Step 2: Convert to fraction form
   2,072,360/4,459,640 = 4,459,640/x
3. Step 3: Cross multiply
   2,072,360x = 4,459,640 × 4,459,640
4. Step 4: Simplify right side
   2,072,360x = 19,888,388,929,600
5. Step 5: Solve for x
   x = 19,888,388,929,600/2,072,360
6. Step 6: Final answer
   x = 9,596,975.88