Finding the Third Proportional to 4,559,168 and 9,874,900

Step by Step Solution

1. Step 1: Write the proportion equation
   4,559,168 : 9,874,900 = 9,874,900 : x
2. Step 2: Convert to fraction form
   4,559,168/9,874,900 = 9,874,900/x
3. Step 3: Cross multiply
   4,559,168x = 9,874,900 × 9,874,900
4. Step 4: Simplify right side
   4,559,168x = 97,513,650,010,000
5. Step 5: Solve for x
   x = 97,513,650,010,000/4,559,168
6. Step 6: Final answer
   x = 21,388,474.83