Finding the Third Proportional to 69,637.50 and 150,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,637.50 : 150,358.50 = 150,358.50 : x
2. Step 2: Convert to fraction form
   69,637.50/150,358.50 = 150,358.50/x
3. Step 3: Cross multiply
   69,637.50x = 150,358.50 × 150,358.50
4. Step 4: Simplify right side
   69,637.50x = 22,607,678,522.25
5. Step 5: Solve for x
   x = 22,607,678,522.25/69,637.50
6. Step 6: Final answer
   x = 324,648.05