Finding the Third Proportional to 4,140,153 and 8,910,162

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,153 : 8,910,162 = 8,910,162 : x
2. Step 2: Convert to fraction form
   4,140,153/8,910,162 = 8,910,162/x
3. Step 3: Cross multiply
   4,140,153x = 8,910,162 × 8,910,162
4. Step 4: Simplify right side
   4,140,153x = 79,390,986,866,244
5. Step 5: Solve for x
   x = 79,390,986,866,244/4,140,153
6. Step 6: Final answer
   x = 19,175,858.20