Finding the Third Proportional to 10,058,818 and 20,582,468

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058,818 : 20,582,468 = 20,582,468 : x
2. Step 2: Convert to fraction form
   10,058,818/20,582,468 = 20,582,468/x
3. Step 3: Cross multiply
   10,058,818x = 20,582,468 × 20,582,468
4. Step 4: Simplify right side
   10,058,818x = 423,637,988,971,024
5. Step 5: Solve for x
   x = 423,637,988,971,024/10,058,818
6. Step 6: Final answer
   x = 42,116,080.53