Finding the Third Proportional to 108,756 and 153,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,756 : 153,155.25 = 153,155.25 : x
2. Step 2: Convert to fraction form
   108,756/153,155.25 = 153,155.25/x
3. Step 3: Cross multiply
   108,756x = 153,155.25 × 153,155.25
4. Step 4: Simplify right side
   108,756x = 23,456,530,602.56
5. Step 5: Solve for x
   x = 23,456,530,602.56/108,756
6. Step 6: Final answer
   x = 215,680.34