Finding the Third Proportional to 10,256,274 and 21,885,444

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256,274 : 21,885,444 = 21,885,444 : x
2. Step 2: Convert to fraction form
   10,256,274/21,885,444 = 21,885,444/x
3. Step 3: Cross multiply
   10,256,274x = 21,885,444 × 21,885,444
4. Step 4: Simplify right side
   10,256,274x = 478,972,659,077,136
5. Step 5: Solve for x
   x = 478,972,659,077,136/10,256,274
6. Step 6: Final answer
   x = 46,700,454.68