Finding the Third Proportional to 10,128,728 and 23,427,878

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,728 : 23,427,878 = 23,427,878 : x
2. Step 2: Convert to fraction form
   10,128,728/23,427,878 = 23,427,878/x
3. Step 3: Cross multiply
   10,128,728x = 23,427,878 × 23,427,878
4. Step 4: Simplify right side
   10,128,728x = 548,865,467,582,884
5. Step 5: Solve for x
   x = 548,865,467,582,884/10,128,728
6. Step 6: Final answer
   x = 54,188,982.82