Finding the Third Proportional to 2,287,242 and 4,878,476

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,242 : 4,878,476 = 4,878,476 : x
2. Step 2: Convert to fraction form
   2,287,242/4,878,476 = 4,878,476/x
3. Step 3: Cross multiply
   2,287,242x = 4,878,476 × 4,878,476
4. Step 4: Simplify right side
   2,287,242x = 23,799,528,082,576
5. Step 5: Solve for x
   x = 23,799,528,082,576/2,287,242
6. Step 6: Final answer
   x = 10,405,338.87