Finding the Third Proportional to 73,040 and 109,380

Step by Step Solution

1. Step 1: Write the proportion equation
   73,040 : 109,380 = 109,380 : x
2. Step 2: Convert to fraction form
   73,040/109,380 = 109,380/x
3. Step 3: Cross multiply
   73,040x = 109,380 × 109,380
4. Step 4: Simplify right side
   73,040x = 11,963,984,400
5. Step 5: Solve for x
   x = 11,963,984,400/73,040
6. Step 6: Final answer
   x = 163,800.44