Finding the Third Proportional to 3,535,900 and 7,740,536

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535,900 : 7,740,536 = 7,740,536 : x
2. Step 2: Convert to fraction form
   3,535,900/7,740,536 = 7,740,536/x
3. Step 3: Cross multiply
   3,535,900x = 7,740,536 × 7,740,536
4. Step 4: Simplify right side
   3,535,900x = 59,915,897,567,296
5. Step 5: Solve for x
   x = 59,915,897,567,296/3,535,900
6. Step 6: Final answer
   x = 16,945,020.38