Finding the Third Proportional to 2,160,556 and 4,656,064

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,556 : 4,656,064 = 4,656,064 : x
2. Step 2: Convert to fraction form
   2,160,556/4,656,064 = 4,656,064/x
3. Step 3: Cross multiply
   2,160,556x = 4,656,064 × 4,656,064
4. Step 4: Simplify right side
   2,160,556x = 21,678,931,972,096
5. Step 5: Solve for x
   x = 21,678,931,972,096/2,160,556
6. Step 6: Final answer
   x = 10,033,959.76