Finding the Third Proportional to 3,438,007 and 7,158,554

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438,007 : 7,158,554 = 7,158,554 : x
2. Step 2: Convert to fraction form
   3,438,007/7,158,554 = 7,158,554/x
3. Step 3: Cross multiply
   3,438,007x = 7,158,554 × 7,158,554
4. Step 4: Simplify right side
   3,438,007x = 51,244,895,370,916
5. Step 5: Solve for x
   x = 51,244,895,370,916/3,438,007
6. Step 6: Final answer
   x = 14,905,407.51