Finding the Third Proportional to 105,480 and 140,902

Step by Step Solution

1. Step 1: Write the proportion equation
   105,480 : 140,902 = 140,902 : x
2. Step 2: Convert to fraction form
   105,480/140,902 = 140,902/x
3. Step 3: Cross multiply
   105,480x = 140,902 × 140,902
4. Step 4: Simplify right side
   105,480x = 19,853,373,604
5. Step 5: Solve for x
   x = 19,853,373,604/105,480
6. Step 6: Final answer
   x = 188,219.32