Finding the Third Proportional to 2,265,142 and 4,977,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265,142 : 4,977,890 = 4,977,890 : x
2. Step 2: Convert to fraction form
   2,265,142/4,977,890 = 4,977,890/x
3. Step 3: Cross multiply
   2,265,142x = 4,977,890 × 4,977,890
4. Step 4: Simplify right side
   2,265,142x = 24,779,388,852,100
5. Step 5: Solve for x
   x = 24,779,388,852,100/2,265,142
6. Step 6: Final answer
   x = 10,939,441.70