Finding the Third Proportional to 103,482 and 142,485

Step by Step Solution

1. Step 1: Write the proportion equation
   103,482 : 142,485 = 142,485 : x
2. Step 2: Convert to fraction form
   103,482/142,485 = 142,485/x
3. Step 3: Cross multiply
   103,482x = 142,485 × 142,485
4. Step 4: Simplify right side
   103,482x = 20,301,975,225
5. Step 5: Solve for x
   x = 20,301,975,225/103,482
6. Step 6: Final answer
   x = 196,188.47