Finding the Third Proportional to 980,541 and 2,118,638

Step by Step Solution

1. Step 1: Write the proportion equation
   980,541 : 2,118,638 = 2,118,638 : x
2. Step 2: Convert to fraction form
   980,541/2,118,638 = 2,118,638/x
3. Step 3: Cross multiply
   980,541x = 2,118,638 × 2,118,638
4. Step 4: Simplify right side
   980,541x = 4,488,626,975,044
5. Step 5: Solve for x
   x = 4,488,626,975,044/980,541
6. Step 6: Final answer
   x = 4,577,704.53