Finding the Third Proportional to 32,870 and 72,300

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870 : 72,300 = 72,300 : x
2. Step 2: Convert to fraction form
   32,870/72,300 = 72,300/x
3. Step 3: Cross multiply
   32,870x = 72,300 × 72,300
4. Step 4: Simplify right side
   32,870x = 5,227,290,000
5. Step 5: Solve for x
   x = 5,227,290,000/32,870
6. Step 6: Final answer
   x = 159,029.21