Finding the Third Proportional to 3,576,390 and 7,664,130

Step by Step Solution

1. Step 1: Write the proportion equation
   3,576,390 : 7,664,130 = 7,664,130 : x
2. Step 2: Convert to fraction form
   3,576,390/7,664,130 = 7,664,130/x
3. Step 3: Cross multiply
   3,576,390x = 7,664,130 × 7,664,130
4. Step 4: Simplify right side
   3,576,390x = 58,738,888,656,900
5. Step 5: Solve for x
   x = 58,738,888,656,900/3,576,390
6. Step 6: Final answer
   x = 16,424,072.50