Finding the Third Proportional to 4,428,446 and 9,536,080

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,446 : 9,536,080 = 9,536,080 : x
2. Step 2: Convert to fraction form
   4,428,446/9,536,080 = 9,536,080/x
3. Step 3: Cross multiply
   4,428,446x = 9,536,080 × 9,536,080
4. Step 4: Simplify right side
   4,428,446x = 90,936,821,766,400
5. Step 5: Solve for x
   x = 90,936,821,766,400/4,428,446
6. Step 6: Final answer
   x = 20,534,702.64