Finding the Third Proportional to 142,150.50 and 307,071

Step by Step Solution

1. Step 1: Write the proportion equation
   142,150.50 : 307,071 = 307,071 : x
2. Step 2: Convert to fraction form
   142,150.50/307,071 = 307,071/x
3. Step 3: Cross multiply
   142,150.50x = 307,071 × 307,071
4. Step 4: Simplify right side
   142,150.50x = 94,292,599,041
5. Step 5: Solve for x
   x = 94,292,599,041/142,150.50
6. Step 6: Final answer
   x = 663,329.35