Finding the Third Proportional to 142,012.50 and 303,971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,012.50 : 303,971.25 = 303,971.25 : x
2. Step 2: Convert to fraction form
   142,012.50/303,971.25 = 303,971.25/x
3. Step 3: Cross multiply
   142,012.50x = 303,971.25 × 303,971.25
4. Step 4: Simplify right side
   142,012.50x = 92,398,520,826.56
5. Step 5: Solve for x
   x = 92,398,520,826.56/142,012.50
6. Step 6: Final answer
   x = 650,636.53