Finding the Third Proportional to 155,431.50 and 233,724

Step by Step Solution

1. Step 1: Write the proportion equation
   155,431.50 : 233,724 = 233,724 : x
2. Step 2: Convert to fraction form
   155,431.50/233,724 = 233,724/x
3. Step 3: Cross multiply
   155,431.50x = 233,724 × 233,724
4. Step 4: Simplify right side
   155,431.50x = 54,626,908,176
5. Step 5: Solve for x
   x = 54,626,908,176/155,431.50
6. Step 6: Final answer
   x = 351,453.27