Finding the Third Proportional to 4,945,817 and 10,422,994

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945,817 : 10,422,994 = 10,422,994 : x
2. Step 2: Convert to fraction form
   4,945,817/10,422,994 = 10,422,994/x
3. Step 3: Cross multiply
   4,945,817x = 10,422,994 × 10,422,994
4. Step 4: Simplify right side
   4,945,817x = 108,638,803,924,036
5. Step 5: Solve for x
   x = 108,638,803,924,036/4,945,817
6. Step 6: Final answer
   x = 21,965,795.32