Finding the Third Proportional to 34,087.50 and 72,912

Step by Step Solution

1. Step 1: Write the proportion equation
   34,087.50 : 72,912 = 72,912 : x
2. Step 2: Convert to fraction form
   34,087.50/72,912 = 72,912/x
3. Step 3: Cross multiply
   34,087.50x = 72,912 × 72,912
4. Step 4: Simplify right side
   34,087.50x = 5,316,159,744
5. Step 5: Solve for x
   x = 5,316,159,744/34,087.50
6. Step 6: Final answer
   x = 155,956.28