Finding the Third Proportional to 3,048,476 and 4,678,116

Step by Step Solution

1. Step 1: Write the proportion equation
   3,048,476 : 4,678,116 = 4,678,116 : x
2. Step 2: Convert to fraction form
   3,048,476/4,678,116 = 4,678,116/x
3. Step 3: Cross multiply
   3,048,476x = 4,678,116 × 4,678,116
4. Step 4: Simplify right side
   3,048,476x = 21,884,769,309,456
5. Step 5: Solve for x
   x = 21,884,769,309,456/3,048,476
6. Step 6: Final answer
   x = 7,178,921.31