Finding the Third Proportional to 141,937.25 and 309,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,937.25 : 309,074.50 = 309,074.50 : x
2. Step 2: Convert to fraction form
   141,937.25/309,074.50 = 309,074.50/x
3. Step 3: Cross multiply
   141,937.25x = 309,074.50 × 309,074.50
4. Step 4: Simplify right side
   141,937.25x = 95,527,046,550.25
5. Step 5: Solve for x
   x = 95,527,046,550.25/141,937.25
6. Step 6: Final answer
   x = 673,023.09