Finding the Third Proportional to 100,890.50 and 141,395

Step by Step Solution

1. Step 1: Write the proportion equation
   100,890.50 : 141,395 = 141,395 : x
2. Step 2: Convert to fraction form
   100,890.50/141,395 = 141,395/x
3. Step 3: Cross multiply
   100,890.50x = 141,395 × 141,395
4. Step 4: Simplify right side
   100,890.50x = 19,992,546,025
5. Step 5: Solve for x
   x = 19,992,546,025/100,890.50
6. Step 6: Final answer
   x = 198,160.84