Finding the Third Proportional to 72,108 and 155,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,108 : 155,308.50 = 155,308.50 : x
2. Step 2: Convert to fraction form
   72,108/155,308.50 = 155,308.50/x
3. Step 3: Cross multiply
   72,108x = 155,308.50 × 155,308.50
4. Step 4: Simplify right side
   72,108x = 24,120,730,172.25
5. Step 5: Solve for x
   x = 24,120,730,172.25/72,108
6. Step 6: Final answer
   x = 334,508.38