Finding the Third Proportional to 3,813,890 and 5,654,865

Step by Step Solution

1. Step 1: Write the proportion equation
   3,813,890 : 5,654,865 = 5,654,865 : x
2. Step 2: Convert to fraction form
   3,813,890/5,654,865 = 5,654,865/x
3. Step 3: Cross multiply
   3,813,890x = 5,654,865 × 5,654,865
4. Step 4: Simplify right side
   3,813,890x = 31,977,498,168,225
5. Step 5: Solve for x
   x = 31,977,498,168,225/3,813,890
6. Step 6: Final answer
   x = 8,384,483.60