Finding the Third Proportional to 5,113,460 and 10,857,508

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113,460 : 10,857,508 = 10,857,508 : x
2. Step 2: Convert to fraction form
   5,113,460/10,857,508 = 10,857,508/x
3. Step 3: Cross multiply
   5,113,460x = 10,857,508 × 10,857,508
4. Step 4: Simplify right side
   5,113,460x = 117,885,479,970,064
5. Step 5: Solve for x
   x = 117,885,479,970,064/5,113,460
6. Step 6: Final answer
   x = 23,053,955.63