Finding the Third Proportional to 3,557,353 and 7,910,558

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,353 : 7,910,558 = 7,910,558 : x
2. Step 2: Convert to fraction form
   3,557,353/7,910,558 = 7,910,558/x
3. Step 3: Cross multiply
   3,557,353x = 7,910,558 × 7,910,558
4. Step 4: Simplify right side
   3,557,353x = 62,576,927,871,364
5. Step 5: Solve for x
   x = 62,576,927,871,364/3,557,353
6. Step 6: Final answer
   x = 17,590,868.23