Finding the Third Proportional to 70,380 and 103,608

Step by Step Solution

1. Step 1: Write the proportion equation
   70,380 : 103,608 = 103,608 : x
2. Step 2: Convert to fraction form
   70,380/103,608 = 103,608/x
3. Step 3: Cross multiply
   70,380x = 103,608 × 103,608
4. Step 4: Simplify right side
   70,380x = 10,734,617,664
5. Step 5: Solve for x
   x = 10,734,617,664/70,380
6. Step 6: Final answer
   x = 152,523.70