Finding the Third Proportional to 3,609,242 and 5,078,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609,242 : 5,078,131 = 5,078,131 : x
2. Step 2: Convert to fraction form
   3,609,242/5,078,131 = 5,078,131/x
3. Step 3: Cross multiply
   3,609,242x = 5,078,131 × 5,078,131
4. Step 4: Simplify right side
   3,609,242x = 25,787,414,453,161
5. Step 5: Solve for x
   x = 25,787,414,453,161/3,609,242
6. Step 6: Final answer
   x = 7,144,828.32