Finding the Third Proportional to 230,202 and 355,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   230,202 : 355,144.50 = 355,144.50 : x
2. Step 2: Convert to fraction form
   230,202/355,144.50 = 355,144.50/x
3. Step 3: Cross multiply
   230,202x = 355,144.50 × 355,144.50
4. Step 4: Simplify right side
   230,202x = 126,127,615,880.25
5. Step 5: Solve for x
   x = 126,127,615,880.25/230,202
6. Step 6: Final answer
   x = 547,899.74