Finding the Third Proportional to 78,348 and 114,240

Step by Step Solution

1. Step 1: Write the proportion equation
   78,348 : 114,240 = 114,240 : x
2. Step 2: Convert to fraction form
   78,348/114,240 = 114,240/x
3. Step 3: Cross multiply
   78,348x = 114,240 × 114,240
4. Step 4: Simplify right side
   78,348x = 13,050,777,600
5. Step 5: Solve for x
   x = 13,050,777,600/78,348
6. Step 6: Final answer
   x = 166,574.48