Finding the Third Proportional to 3,637,170 and 7,657,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637,170 : 7,657,740 = 7,657,740 : x
2. Step 2: Convert to fraction form
   3,637,170/7,657,740 = 7,657,740/x
3. Step 3: Cross multiply
   3,637,170x = 7,657,740 × 7,657,740
4. Step 4: Simplify right side
   3,637,170x = 58,640,981,907,600
5. Step 5: Solve for x
   x = 58,640,981,907,600/3,637,170
6. Step 6: Final answer
   x = 16,122,694.82