Finding the Third Proportional to 108,358.25 and 143,780

Step by Step Solution

1. Step 1: Write the proportion equation
   108,358.25 : 143,780 = 143,780 : x
2. Step 2: Convert to fraction form
   108,358.25/143,780 = 143,780/x
3. Step 3: Cross multiply
   108,358.25x = 143,780 × 143,780
4. Step 4: Simplify right side
   108,358.25x = 20,672,688,400
5. Step 5: Solve for x
   x = 20,672,688,400/108,358.25
6. Step 6: Final answer
   x = 190,780.94