Finding the Third Proportional to 14,975,158 and 21,399,843

Step by Step Solution

1. Step 1: Write the proportion equation
   14,975,158 : 21,399,843 = 21,399,843 : x
2. Step 2: Convert to fraction form
   14,975,158/21,399,843 = 21,399,843/x
3. Step 3: Cross multiply
   14,975,158x = 21,399,843 × 21,399,843
4. Step 4: Simplify right side
   14,975,158x = 457,953,280,424,649
5. Step 5: Solve for x
   x = 457,953,280,424,649/14,975,158
6. Step 6: Final answer
   x = 30,580,864.68