Finding the Third Proportional to 109,210 and 174,119

Step by Step Solution

1. Step 1: Write the proportion equation
   109,210 : 174,119 = 174,119 : x
2. Step 2: Convert to fraction form
   109,210/174,119 = 174,119/x
3. Step 3: Cross multiply
   109,210x = 174,119 × 174,119
4. Step 4: Simplify right side
   109,210x = 30,317,426,161
5. Step 5: Solve for x
   x = 30,317,426,161/109,210
6. Step 6: Final answer
   x = 277,606.69