Finding the Third Proportional to 10,256,144 and 21,884,968

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256,144 : 21,884,968 = 21,884,968 : x
2. Step 2: Convert to fraction form
   10,256,144/21,884,968 = 21,884,968/x
3. Step 3: Cross multiply
   10,256,144x = 21,884,968 × 21,884,968
4. Step 4: Simplify right side
   10,256,144x = 478,951,824,361,024
5. Step 5: Solve for x
   x = 478,951,824,361,024/10,256,144
6. Step 6: Final answer
   x = 46,699,015.18