Finding the Third Proportional to 68,410.50 and 150,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,410.50 : 150,307.50 = 150,307.50 : x
2. Step 2: Convert to fraction form
   68,410.50/150,307.50 = 150,307.50/x
3. Step 3: Cross multiply
   68,410.50x = 150,307.50 × 150,307.50
4. Step 4: Simplify right side
   68,410.50x = 22,592,344,556.25
5. Step 5: Solve for x
   x = 22,592,344,556.25/68,410.50
6. Step 6: Final answer
   x = 330,246.74