Finding the Third Proportional to 2,715,890 and 5,654,854

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715,890 : 5,654,854 = 5,654,854 : x
2. Step 2: Convert to fraction form
   2,715,890/5,654,854 = 5,654,854/x
3. Step 3: Cross multiply
   2,715,890x = 5,654,854 × 5,654,854
4. Step 4: Simplify right side
   2,715,890x = 31,977,373,761,316
5. Step 5: Solve for x
   x = 31,977,373,761,316/2,715,890
6. Step 6: Final answer
   x = 11,774,178.54