Finding the Third Proportional to 167,607 and 215,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   167,607 : 215,196.75 = 215,196.75 : x
2. Step 2: Convert to fraction form
   167,607/215,196.75 = 215,196.75/x
3. Step 3: Cross multiply
   167,607x = 215,196.75 × 215,196.75
4. Step 4: Simplify right side
   167,607x = 46,309,641,210.56
5. Step 5: Solve for x
   x = 46,309,641,210.56/167,607
6. Step 6: Final answer
   x = 276,298.97