Finding the Third Proportional to 3,360,554 and 7,374,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360,554 : 7,374,316 = 7,374,316 : x
2. Step 2: Convert to fraction form
   3,360,554/7,374,316 = 7,374,316/x
3. Step 3: Cross multiply
   3,360,554x = 7,374,316 × 7,374,316
4. Step 4: Simplify right side
   3,360,554x = 54,380,536,467,856
5. Step 5: Solve for x
   x = 54,380,536,467,856/3,360,554
6. Step 6: Final answer
   x = 16,182,015.37