Finding the Third Proportional to 123,157.50 and 264,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,157.50 : 264,732.50 = 264,732.50 : x
2. Step 2: Convert to fraction form
   123,157.50/264,732.50 = 264,732.50/x
3. Step 3: Cross multiply
   123,157.50x = 264,732.50 × 264,732.50
4. Step 4: Simplify right side
   123,157.50x = 70,083,296,556.25
5. Step 5: Solve for x
   x = 70,083,296,556.25/123,157.50
6. Step 6: Final answer
   x = 569,054.23