Finding the Third Proportional to 3,603,470 and 7,829,980

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603,470 : 7,829,980 = 7,829,980 : x
2. Step 2: Convert to fraction form
   3,603,470/7,829,980 = 7,829,980/x
3. Step 3: Cross multiply
   3,603,470x = 7,829,980 × 7,829,980
4. Step 4: Simplify right side
   3,603,470x = 61,308,586,800,400
5. Step 5: Solve for x
   x = 61,308,586,800,400/3,603,470
6. Step 6: Final answer
   x = 17,013,763.62