Finding the Third Proportional to 92,178 and 140,945.06

Step by Step Solution

1. Step 1: Write the proportion equation
   92,178 : 140,945.06 = 140,945.06 : x
2. Step 2: Convert to fraction form
   92,178/140,945.06 = 140,945.06/x
3. Step 3: Cross multiply
   92,178x = 140,945.06 × 140,945.06
4. Step 4: Simplify right side
   92,178x = 19,865,510,643.13
5. Step 5: Solve for x
   x = 19,865,510,643.13/92,178
6. Step 6: Final answer
   x = 215,512.49