Finding the Third Proportional to 72,507 and 159,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507 : 159,316.50 = 159,316.50 : x
2. Step 2: Convert to fraction form
   72,507/159,316.50 = 159,316.50/x
3. Step 3: Cross multiply
   72,507x = 159,316.50 × 159,316.50
4. Step 4: Simplify right side
   72,507x = 25,381,747,172.25
5. Step 5: Solve for x
   x = 25,381,747,172.25/72,507
6. Step 6: Final answer
   x = 350,059.27