Finding the Third Proportional to 34,124 and 72,300

Step by Step Solution

1. Step 1: Write the proportion equation
   34,124 : 72,300 = 72,300 : x
2. Step 2: Convert to fraction form
   34,124/72,300 = 72,300/x
3. Step 3: Cross multiply
   34,124x = 72,300 × 72,300
4. Step 4: Simplify right side
   34,124x = 5,227,290,000
5. Step 5: Solve for x
   x = 5,227,290,000/34,124
6. Step 6: Final answer
   x = 153,185.15