Finding the Third Proportional to 72,302 and 158,210

Step by Step Solution

1. Step 1: Write the proportion equation
   72,302 : 158,210 = 158,210 : x
2. Step 2: Convert to fraction form
   72,302/158,210 = 158,210/x
3. Step 3: Cross multiply
   72,302x = 158,210 × 158,210
4. Step 4: Simplify right side
   72,302x = 25,030,404,100
5. Step 5: Solve for x
   x = 25,030,404,100/72,302
6. Step 6: Final answer
   x = 346,192.42