Finding the Third Proportional to 92,384 and 139,408

Step by Step Solution

1. Step 1: Write the proportion equation
   92,384 : 139,408 = 139,408 : x
2. Step 2: Convert to fraction form
   92,384/139,408 = 139,408/x
3. Step 3: Cross multiply
   92,384x = 139,408 × 139,408
4. Step 4: Simplify right side
   92,384x = 19,434,590,464
5. Step 5: Solve for x
   x = 19,434,590,464/92,384
6. Step 6: Final answer
   x = 210,367.49