Finding the Third Proportional to 3,991,235 and 8,755,078

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,235 : 8,755,078 = 8,755,078 : x
2. Step 2: Convert to fraction form
   3,991,235/8,755,078 = 8,755,078/x
3. Step 3: Cross multiply
   3,991,235x = 8,755,078 × 8,755,078
4. Step 4: Simplify right side
   3,991,235x = 76,651,390,786,084
5. Step 5: Solve for x
   x = 76,651,390,786,084/3,991,235
6. Step 6: Final answer
   x = 19,204,930.50