Finding the Third Proportional to 92,893.50 and 139,278

Step by Step Solution

1. Step 1: Write the proportion equation
   92,893.50 : 139,278 = 139,278 : x
2. Step 2: Convert to fraction form
   92,893.50/139,278 = 139,278/x
3. Step 3: Cross multiply
   92,893.50x = 139,278 × 139,278
4. Step 4: Simplify right side
   92,893.50x = 19,398,361,284
5. Step 5: Solve for x
   x = 19,398,361,284/92,893.50
6. Step 6: Final answer
   x = 208,823.67