Finding the Third Proportional to 168,433 and 254,404.75

Step by Step Solution

1. Step 1: Write the proportion equation
   168,433 : 254,404.75 = 254,404.75 : x
2. Step 2: Convert to fraction form
   168,433/254,404.75 = 254,404.75/x
3. Step 3: Cross multiply
   168,433x = 254,404.75 × 254,404.75
4. Step 4: Simplify right side
   168,433x = 64,721,776,822.56
5. Step 5: Solve for x
   x = 64,721,776,822.56/168,433
6. Step 6: Final answer
   x = 384,258.29