Finding the Third Proportional to 10,913,400 and 17,119,878

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913,400 : 17,119,878 = 17,119,878 : x
2. Step 2: Convert to fraction form
   10,913,400/17,119,878 = 17,119,878/x
3. Step 3: Cross multiply
   10,913,400x = 17,119,878 × 17,119,878
4. Step 4: Simplify right side
   10,913,400x = 293,090,222,734,884
5. Step 5: Solve for x
   x = 293,090,222,734,884/10,913,400
6. Step 6: Final answer
   x = 26,855,995.63