Finding the Third Proportional to 4,158,661 and 9,100,030

Step by Step Solution

1. Step 1: Write the proportion equation
   4,158,661 : 9,100,030 = 9,100,030 : x
2. Step 2: Convert to fraction form
   4,158,661/9,100,030 = 9,100,030/x
3. Step 3: Cross multiply
   4,158,661x = 9,100,030 × 9,100,030
4. Step 4: Simplify right side
   4,158,661x = 82,810,546,000,900
5. Step 5: Solve for x
   x = 82,810,546,000,900/4,158,661
6. Step 6: Final answer
   x = 19,912,790.68