Finding the Third Proportional to 13,450,168 and 21,412,320

Step by Step Solution

1. Step 1: Write the proportion equation
   13,450,168 : 21,412,320 = 21,412,320 : x
2. Step 2: Convert to fraction form
   13,450,168/21,412,320 = 21,412,320/x
3. Step 3: Cross multiply
   13,450,168x = 21,412,320 × 21,412,320
4. Step 4: Simplify right side
   13,450,168x = 458,487,447,782,400
5. Step 5: Solve for x
   x = 458,487,447,782,400/13,450,168
6. Step 6: Final answer
   x = 34,087,860.30