Finding the Third Proportional to 9,231,856 and 19,883,470

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,856 : 19,883,470 = 19,883,470 : x
2. Step 2: Convert to fraction form
   9,231,856/19,883,470 = 19,883,470/x
3. Step 3: Cross multiply
   9,231,856x = 19,883,470 × 19,883,470
4. Step 4: Simplify right side
   9,231,856x = 395,352,379,240,900
5. Step 5: Solve for x
   x = 395,352,379,240,900/9,231,856
6. Step 6: Final answer
   x = 42,824,799.18