Finding the Third Proportional to 4,559,166 and 9,874,896

Step by Step Solution

1. Step 1: Write the proportion equation
   4,559,166 : 9,874,896 = 9,874,896 : x
2. Step 2: Convert to fraction form
   4,559,166/9,874,896 = 9,874,896/x
3. Step 3: Cross multiply
   4,559,166x = 9,874,896 × 9,874,896
4. Step 4: Simplify right side
   4,559,166x = 97,513,571,010,816
5. Step 5: Solve for x
   x = 97,513,571,010,816/4,559,166
6. Step 6: Final answer
   x = 21,388,466.88