Finding the Third Proportional to 3,686,679 and 7,550,505

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,679 : 7,550,505 = 7,550,505 : x
2. Step 2: Convert to fraction form
   3,686,679/7,550,505 = 7,550,505/x
3. Step 3: Cross multiply
   3,686,679x = 7,550,505 × 7,550,505
4. Step 4: Simplify right side
   3,686,679x = 57,010,125,755,025
5. Step 5: Solve for x
   x = 57,010,125,755,025/3,686,679
6. Step 6: Final answer
   x = 15,463,816.01