Finding the Third Proportional to 65,892 and 99,408

Step by Step Solution

1. Step 1: Write the proportion equation
   65,892 : 99,408 = 99,408 : x
2. Step 2: Convert to fraction form
   65,892/99,408 = 99,408/x
3. Step 3: Cross multiply
   65,892x = 99,408 × 99,408
4. Step 4: Simplify right side
   65,892x = 9,881,950,464
5. Step 5: Solve for x
   x = 9,881,950,464/65,892
6. Step 6: Final answer
   x = 149,971.93