Finding the Third Proportional to 5,322,138 and 8,339,256

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322,138 : 8,339,256 = 8,339,256 : x
2. Step 2: Convert to fraction form
   5,322,138/8,339,256 = 8,339,256/x
3. Step 3: Cross multiply
   5,322,138x = 8,339,256 × 8,339,256
4. Step 4: Simplify right side
   5,322,138x = 69,543,190,633,536
5. Step 5: Solve for x
   x = 69,543,190,633,536/5,322,138
6. Step 6: Final answer
   x = 13,066,777.04