Finding the Third Proportional to 170,302 and 370,142

Step by Step Solution

1. Step 1: Write the proportion equation
   170,302 : 370,142 = 370,142 : x
2. Step 2: Convert to fraction form
   170,302/370,142 = 370,142/x
3. Step 3: Cross multiply
   170,302x = 370,142 × 370,142
4. Step 4: Simplify right side
   170,302x = 137,005,100,164
5. Step 5: Solve for x
   x = 137,005,100,164/170,302
6. Step 6: Final answer
   x = 804,483.21