Finding the Third Proportional to 3,374,872 and 7,280,120

Step by Step Solution

1. Step 1: Write the proportion equation
   3,374,872 : 7,280,120 = 7,280,120 : x
2. Step 2: Convert to fraction form
   3,374,872/7,280,120 = 7,280,120/x
3. Step 3: Cross multiply
   3,374,872x = 7,280,120 × 7,280,120
4. Step 4: Simplify right side
   3,374,872x = 53,000,147,214,400
5. Step 5: Solve for x
   x = 53,000,147,214,400/3,374,872
6. Step 6: Final answer
   x = 15,704,342.92