Finding the Third Proportional to 13,915,980 and 21,233,898

Step by Step Solution

1. Step 1: Write the proportion equation
   13,915,980 : 21,233,898 = 21,233,898 : x
2. Step 2: Convert to fraction form
   13,915,980/21,233,898 = 21,233,898/x
3. Step 3: Cross multiply
   13,915,980x = 21,233,898 × 21,233,898
4. Step 4: Simplify right side
   13,915,980x = 450,878,424,274,404
5. Step 5: Solve for x
   x = 450,878,424,274,404/13,915,980
6. Step 6: Final answer
   x = 32,400,048.31