Finding the Third Proportional to 188,274 and 367,090

Step by Step Solution

1. Step 1: Write the proportion equation
   188,274 : 367,090 = 367,090 : x
2. Step 2: Convert to fraction form
   188,274/367,090 = 367,090/x
3. Step 3: Cross multiply
   188,274x = 367,090 × 367,090
4. Step 4: Simplify right side
   188,274x = 134,755,068,100
5. Step 5: Solve for x
   x = 134,755,068,100/188,274
6. Step 6: Final answer
   x = 715,739.13