Finding the Third Proportional to 10,058,784 and 20,582,400

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058,784 : 20,582,400 = 20,582,400 : x
2. Step 2: Convert to fraction form
   10,058,784/20,582,400 = 20,582,400/x
3. Step 3: Cross multiply
   10,058,784x = 20,582,400 × 20,582,400
4. Step 4: Simplify right side
   10,058,784x = 423,635,189,760,000
5. Step 5: Solve for x
   x = 423,635,189,760,000/10,058,784
6. Step 6: Final answer
   x = 42,115,944.61