Finding the Third Proportional to 103,477.50 and 142,479

Step by Step Solution

1. Step 1: Write the proportion equation
   103,477.50 : 142,479 = 142,479 : x
2. Step 2: Convert to fraction form
   103,477.50/142,479 = 142,479/x
3. Step 3: Cross multiply
   103,477.50x = 142,479 × 142,479
4. Step 4: Simplify right side
   103,477.50x = 20,300,265,441
5. Step 5: Solve for x
   x = 20,300,265,441/103,477.50
6. Step 6: Final answer
   x = 196,180.48