Finding the Third Proportional to 2,058,658 and 4,536,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,658 : 4,536,140 = 4,536,140 : x
2. Step 2: Convert to fraction form
   2,058,658/4,536,140 = 4,536,140/x
3. Step 3: Cross multiply
   2,058,658x = 4,536,140 × 4,536,140
4. Step 4: Simplify right side
   2,058,658x = 20,576,566,099,600
5. Step 5: Solve for x
   x = 20,576,566,099,600/2,058,658
6. Step 6: Final answer
   x = 9,995,135.71