Finding the Third Proportional to 72,499.50 and 157,450.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,499.50 : 157,450.50 = 157,450.50 : x
2. Step 2: Convert to fraction form
   72,499.50/157,450.50 = 157,450.50/x
3. Step 3: Cross multiply
   72,499.50x = 157,450.50 × 157,450.50
4. Step 4: Simplify right side
   72,499.50x = 24,790,659,950.25
5. Step 5: Solve for x
   x = 24,790,659,950.25/72,499.50
6. Step 6: Final answer
   x = 341,942.50