Finding the Third Proportional to 112,424.50 and 240,788

Step by Step Solution

1. Step 1: Write the proportion equation
   112,424.50 : 240,788 = 240,788 : x
2. Step 2: Convert to fraction form
   112,424.50/240,788 = 240,788/x
3. Step 3: Cross multiply
   112,424.50x = 240,788 × 240,788
4. Step 4: Simplify right side
   112,424.50x = 57,978,860,944
5. Step 5: Solve for x
   x = 57,978,860,944/112,424.50
6. Step 6: Final answer
   x = 515,713.75