Finding the Third Proportional to 4,340,837 and 9,428,764

Step by Step Solution

1. Step 1: Write the proportion equation
   4,340,837 : 9,428,764 = 9,428,764 : x
2. Step 2: Convert to fraction form
   4,340,837/9,428,764 = 9,428,764/x
3. Step 3: Cross multiply
   4,340,837x = 9,428,764 × 9,428,764
4. Step 4: Simplify right side
   4,340,837x = 88,901,590,567,696
5. Step 5: Solve for x
   x = 88,901,590,567,696/4,340,837
6. Step 6: Final answer
   x = 20,480,287.69