Finding the Third Proportional to 4,856,808 and 10,658,400

Step by Step Solution

1. Step 1: Write the proportion equation
   4,856,808 : 10,658,400 = 10,658,400 : x
2. Step 2: Convert to fraction form
   4,856,808/10,658,400 = 10,658,400/x
3. Step 3: Cross multiply
   4,856,808x = 10,658,400 × 10,658,400
4. Step 4: Simplify right side
   4,856,808x = 113,601,490,560,000
5. Step 5: Solve for x
   x = 113,601,490,560,000/4,856,808
6. Step 6: Final answer
   x = 23,390,154.72