Finding the Third Proportional to 151,134.75 and 318,672

Step by Step Solution

1. Step 1: Write the proportion equation
   151,134.75 : 318,672 = 318,672 : x
2. Step 2: Convert to fraction form
   151,134.75/318,672 = 318,672/x
3. Step 3: Cross multiply
   151,134.75x = 318,672 × 318,672
4. Step 4: Simplify right side
   151,134.75x = 101,551,843,584
5. Step 5: Solve for x
   x = 101,551,843,584/151,134.75
6. Step 6: Final answer
   x = 671,929.15