Finding the Third Proportional to 34,015.50 and 72,072

Step by Step Solution

1. Step 1: Write the proportion equation
   34,015.50 : 72,072 = 72,072 : x
2. Step 2: Convert to fraction form
   34,015.50/72,072 = 72,072/x
3. Step 3: Cross multiply
   34,015.50x = 72,072 × 72,072
4. Step 4: Simplify right side
   34,015.50x = 5,194,373,184
5. Step 5: Solve for x
   x = 5,194,373,184/34,015.50
6. Step 6: Final answer
   x = 152,706.07