Finding the Third Proportional to 76,388 and 112,240

Step by Step Solution

1. Step 1: Write the proportion equation
   76,388 : 112,240 = 112,240 : x
2. Step 2: Convert to fraction form
   76,388/112,240 = 112,240/x
3. Step 3: Cross multiply
   76,388x = 112,240 × 112,240
4. Step 4: Simplify right side
   76,388x = 12,597,817,600
5. Step 5: Solve for x
   x = 12,597,817,600/76,388
6. Step 6: Final answer
   x = 164,918.80