Finding the Third Proportional to 10,058,786 and 20,582,404

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058,786 : 20,582,404 = 20,582,404 : x
2. Step 2: Convert to fraction form
   10,058,786/20,582,404 = 20,582,404/x
3. Step 3: Cross multiply
   10,058,786x = 20,582,404 × 20,582,404
4. Step 4: Simplify right side
   10,058,786x = 423,635,354,419,216
5. Step 5: Solve for x
   x = 423,635,354,419,216/10,058,786
6. Step 6: Final answer
   x = 42,115,952.60