Finding the Third Proportional to 7,315,131 and 16,078,242

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315,131 : 16,078,242 = 16,078,242 : x
2. Step 2: Convert to fraction form
   7,315,131/16,078,242 = 16,078,242/x
3. Step 3: Cross multiply
   7,315,131x = 16,078,242 × 16,078,242
4. Step 4: Simplify right side
   7,315,131x = 258,509,865,810,564
5. Step 5: Solve for x
   x = 258,509,865,810,564/7,315,131
6. Step 6: Final answer
   x = 35,339,061.71