Finding the Third Proportional to 142,503 and 225,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,503 : 225,637.50 = 225,637.50 : x
2. Step 2: Convert to fraction form
   142,503/225,637.50 = 225,637.50/x
3. Step 3: Cross multiply
   142,503x = 225,637.50 × 225,637.50
4. Step 4: Simplify right side
   142,503x = 50,912,281,406.25
5. Step 5: Solve for x
   x = 50,912,281,406.25/142,503
6. Step 6: Final answer
   x = 357,271.65