Finding the Third Proportional to 10,058,790 and 20,582,412

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058,790 : 20,582,412 = 20,582,412 : x
2. Step 2: Convert to fraction form
   10,058,790/20,582,412 = 20,582,412/x
3. Step 3: Cross multiply
   10,058,790x = 20,582,412 × 20,582,412
4. Step 4: Simplify right side
   10,058,790x = 423,635,683,737,744
5. Step 5: Solve for x
   x = 423,635,683,737,744/10,058,790
6. Step 6: Final answer
   x = 42,115,968.59