Finding the Third Proportional to 3,654,960 and 7,854,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654,960 : 7,854,240 = 7,854,240 : x
2. Step 2: Convert to fraction form
   3,654,960/7,854,240 = 7,854,240/x
3. Step 3: Cross multiply
   3,654,960x = 7,854,240 × 7,854,240
4. Step 4: Simplify right side
   3,654,960x = 61,689,085,977,600
5. Step 5: Solve for x
   x = 61,689,085,977,600/3,654,960
6. Step 6: Final answer
   x = 16,878,183.61