Finding the Third Proportional to 186,879 and 438,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,879 : 438,727.50 = 438,727.50 : x
2. Step 2: Convert to fraction form
   186,879/438,727.50 = 438,727.50/x
3. Step 3: Cross multiply
   186,879x = 438,727.50 × 438,727.50
4. Step 4: Simplify right side
   186,879x = 192,481,819,256.25
5. Step 5: Solve for x
   x = 192,481,819,256.25/186,879
6. Step 6: Final answer
   x = 1,029,981.00