Finding the Third Proportional to 16,721,264 and 25,842,818

Step by Step Solution

1. Step 1: Write the proportion equation
   16,721,264 : 25,842,818 = 25,842,818 : x
2. Step 2: Convert to fraction form
   16,721,264/25,842,818 = 25,842,818/x
3. Step 3: Cross multiply
   16,721,264x = 25,842,818 × 25,842,818
4. Step 4: Simplify right side
   16,721,264x = 667,851,242,181,124
5. Step 5: Solve for x
   x = 667,851,242,181,124/16,721,264
6. Step 6: Final answer
   x = 39,940,236.71