Finding the Third Proportional to 92,911.50 and 140,238

Step by Step Solution

1. Step 1: Write the proportion equation
   92,911.50 : 140,238 = 140,238 : x
2. Step 2: Convert to fraction form
   92,911.50/140,238 = 140,238/x
3. Step 3: Cross multiply
   92,911.50x = 140,238 × 140,238
4. Step 4: Simplify right side
   92,911.50x = 19,666,696,644
5. Step 5: Solve for x
   x = 19,666,696,644/92,911.50
6. Step 6: Final answer
   x = 211,671.29