Finding the Third Proportional to 3,551,634 and 7,670,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551,634 : 7,670,772 = 7,670,772 : x
2. Step 2: Convert to fraction form
   3,551,634/7,670,772 = 7,670,772/x
3. Step 3: Cross multiply
   3,551,634x = 7,670,772 × 7,670,772
4. Step 4: Simplify right side
   3,551,634x = 58,840,743,075,984
5. Step 5: Solve for x
   x = 58,840,743,075,984/3,551,634
6. Step 6: Final answer
   x = 16,567,231.61