Finding the Third Proportional to 231,448.50 and 360,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,448.50 : 360,706.50 = 360,706.50 : x
2. Step 2: Convert to fraction form
   231,448.50/360,706.50 = 360,706.50/x
3. Step 3: Cross multiply
   231,448.50x = 360,706.50 × 360,706.50
4. Step 4: Simplify right side
   231,448.50x = 130,109,179,142.25
5. Step 5: Solve for x
   x = 130,109,179,142.25/231,448.50
6. Step 6: Final answer
   x = 562,151.75