Finding the Third Proportional to 3,438,003 and 7,158,546

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438,003 : 7,158,546 = 7,158,546 : x
2. Step 2: Convert to fraction form
   3,438,003/7,158,546 = 7,158,546/x
3. Step 3: Cross multiply
   3,438,003x = 7,158,546 × 7,158,546
4. Step 4: Simplify right side
   3,438,003x = 51,244,780,834,116
5. Step 5: Solve for x
   x = 51,244,780,834,116/3,438,003
6. Step 6: Final answer
   x = 14,905,391.54