Finding the Third Proportional to 3,479,943 and 7,666,530

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,943 : 7,666,530 = 7,666,530 : x
2. Step 2: Convert to fraction form
   3,479,943/7,666,530 = 7,666,530/x
3. Step 3: Cross multiply
   3,479,943x = 7,666,530 × 7,666,530
4. Step 4: Simplify right side
   3,479,943x = 58,775,682,240,900
5. Step 5: Solve for x
   x = 58,775,682,240,900/3,479,943
6. Step 6: Final answer
   x = 16,889,840.51