Finding the Third Proportional to 4,766,909 and 10,157,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,766,909 : 10,157,456 = 10,157,456 : x
2. Step 2: Convert to fraction form
   4,766,909/10,157,456 = 10,157,456/x
3. Step 3: Cross multiply
   4,766,909x = 10,157,456 × 10,157,456
4. Step 4: Simplify right side
   4,766,909x = 103,173,912,391,936
5. Step 5: Solve for x
   x = 103,173,912,391,936/4,766,909
6. Step 6: Final answer
   x = 21,643,776.37