Finding the Third Proportional to 112,546 and 240,158

Step by Step Solution

1. Step 1: Write the proportion equation
   112,546 : 240,158 = 240,158 : x
2. Step 2: Convert to fraction form
   112,546/240,158 = 240,158/x
3. Step 3: Cross multiply
   112,546x = 240,158 × 240,158
4. Step 4: Simplify right side
   112,546x = 57,675,864,964
5. Step 5: Solve for x
   x = 57,675,864,964/112,546
6. Step 6: Final answer
   x = 512,464.81