Finding the Third Proportional to 9,243,180 and 19,947,820

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243,180 : 19,947,820 = 19,947,820 : x
2. Step 2: Convert to fraction form
   9,243,180/19,947,820 = 19,947,820/x
3. Step 3: Cross multiply
   9,243,180x = 19,947,820 × 19,947,820
4. Step 4: Simplify right side
   9,243,180x = 397,915,522,752,400
5. Step 5: Solve for x
   x = 397,915,522,752,400/9,243,180
6. Step 6: Final answer
   x = 43,049,634.73