Finding the Third Proportional to 3,128,732 and 4,836,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128,732 : 4,836,740 = 4,836,740 : x
2. Step 2: Convert to fraction form
   3,128,732/4,836,740 = 4,836,740/x
3. Step 3: Cross multiply
   3,128,732x = 4,836,740 × 4,836,740
4. Step 4: Simplify right side
   3,128,732x = 23,394,053,827,600
5. Step 5: Solve for x
   x = 23,394,053,827,600/3,128,732
6. Step 6: Final answer
   x = 7,477,167.69