Finding the Third Proportional to 4,058,748 and 8,745,408

Step by Step Solution

1. Step 1: Write the proportion equation
   4,058,748 : 8,745,408 = 8,745,408 : x
2. Step 2: Convert to fraction form
   4,058,748/8,745,408 = 8,745,408/x
3. Step 3: Cross multiply
   4,058,748x = 8,745,408 × 8,745,408
4. Step 4: Simplify right side
   4,058,748x = 76,482,161,086,464
5. Step 5: Solve for x
   x = 76,482,161,086,464/4,058,748
6. Step 6: Final answer
   x = 18,843,781.65