Finding the Third Proportional to 112,278 and 240,116

Step by Step Solution

1. Step 1: Write the proportion equation
   112,278 : 240,116 = 240,116 : x
2. Step 2: Convert to fraction form
   112,278/240,116 = 240,116/x
3. Step 3: Cross multiply
   112,278x = 240,116 × 240,116
4. Step 4: Simplify right side
   112,278x = 57,655,693,456
5. Step 5: Solve for x
   x = 57,655,693,456/112,278
6. Step 6: Final answer
   x = 513,508.38