Finding the Third Proportional to 140,994 and 215,955

Step by Step Solution

1. Step 1: Write the proportion equation
   140,994 : 215,955 = 215,955 : x
2. Step 2: Convert to fraction form
   140,994/215,955 = 215,955/x
3. Step 3: Cross multiply
   140,994x = 215,955 × 215,955
4. Step 4: Simplify right side
   140,994x = 46,636,562,025
5. Step 5: Solve for x
   x = 46,636,562,025/140,994
6. Step 6: Final answer
   x = 330,769.83