Finding the Third Proportional to 100,855 and 133,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,855 : 133,786.50 = 133,786.50 : x
2. Step 2: Convert to fraction form
   100,855/133,786.50 = 133,786.50/x
3. Step 3: Cross multiply
   100,855x = 133,786.50 × 133,786.50
4. Step 4: Simplify right side
   100,855x = 17,898,827,582.25
5. Step 5: Solve for x
   x = 17,898,827,582.25/100,855
6. Step 6: Final answer
   x = 177,470.90