Finding the Third Proportional to 1,918,044 and 4,428,783

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,044 : 4,428,783 = 4,428,783 : x
2. Step 2: Convert to fraction form
   1,918,044/4,428,783 = 4,428,783/x
3. Step 3: Cross multiply
   1,918,044x = 4,428,783 × 4,428,783
4. Step 4: Simplify right side
   1,918,044x = 19,614,118,861,089
5. Step 5: Solve for x
   x = 19,614,118,861,089/1,918,044
6. Step 6: Final answer
   x = 10,226,104.75