Finding the Third Proportional to 141,143.25 and 302,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,143.25 : 302,752.50 = 302,752.50 : x
2. Step 2: Convert to fraction form
   141,143.25/302,752.50 = 302,752.50/x
3. Step 3: Cross multiply
   141,143.25x = 302,752.50 × 302,752.50
4. Step 4: Simplify right side
   141,143.25x = 91,659,076,256.25
5. Step 5: Solve for x
   x = 91,659,076,256.25/141,143.25
6. Step 6: Final answer
   x = 649,404.60