Finding the Third Proportional to 142,914 and 305,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,914 : 305,518.50 = 305,518.50 : x
2. Step 2: Convert to fraction form
   142,914/305,518.50 = 305,518.50/x
3. Step 3: Cross multiply
   142,914x = 305,518.50 × 305,518.50
4. Step 4: Simplify right side
   142,914x = 93,341,553,842.25
5. Step 5: Solve for x
   x = 93,341,553,842.25/142,914
6. Step 6: Final answer
   x = 653,130.93