Finding the Third Proportional to 100,669.50 and 141,091.88

Step by Step Solution

1. Step 1: Write the proportion equation
   100,669.50 : 141,091.88 = 141,091.88 : x
2. Step 2: Convert to fraction form
   100,669.50/141,091.88 = 141,091.88/x
3. Step 3: Cross multiply
   100,669.50x = 141,091.88 × 141,091.88
4. Step 4: Simplify right side
   100,669.50x = 19,906,917,191.02
5. Step 5: Solve for x
   x = 19,906,917,191.02/100,669.50
6. Step 6: Final answer
   x = 197,745.27