Finding the Third Proportional to 112,739.25 and 234,807

Step by Step Solution

1. Step 1: Write the proportion equation
   112,739.25 : 234,807 = 234,807 : x
2. Step 2: Convert to fraction form
   112,739.25/234,807 = 234,807/x
3. Step 3: Cross multiply
   112,739.25x = 234,807 × 234,807
4. Step 4: Simplify right side
   112,739.25x = 55,134,327,249
5. Step 5: Solve for x
   x = 55,134,327,249/112,739.25
6. Step 6: Final answer
   x = 489,042.88