Finding the Third Proportional to 9,002,180 and 19,711,861

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002,180 : 19,711,861 = 19,711,861 : x
2. Step 2: Convert to fraction form
   9,002,180/19,711,861 = 19,711,861/x
3. Step 3: Cross multiply
   9,002,180x = 19,711,861 × 19,711,861
4. Step 4: Simplify right side
   9,002,180x = 388,557,464,083,321
5. Step 5: Solve for x
   x = 388,557,464,083,321/9,002,180
6. Step 6: Final answer
   x = 43,162,596.62