Finding the Third Proportional to 4,984,554 and 10,891,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,554 : 10,891,680 = 10,891,680 : x
2. Step 2: Convert to fraction form
   4,984,554/10,891,680 = 10,891,680/x
3. Step 3: Cross multiply
   4,984,554x = 10,891,680 × 10,891,680
4. Step 4: Simplify right side
   4,984,554x = 118,628,693,222,400
5. Step 5: Solve for x
   x = 118,628,693,222,400/4,984,554
6. Step 6: Final answer
   x = 23,799,259.32