Finding the Third Proportional to 10,058,816 and 20,582,464

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058,816 : 20,582,464 = 20,582,464 : x
2. Step 2: Convert to fraction form
   10,058,816/20,582,464 = 20,582,464/x
3. Step 3: Cross multiply
   10,058,816x = 20,582,464 × 20,582,464
4. Step 4: Simplify right side
   10,058,816x = 423,637,824,311,296
5. Step 5: Solve for x
   x = 423,637,824,311,296/10,058,816
6. Step 6: Final answer
   x = 42,116,072.54