Finding the Third Proportional to 72,860 and 160,172

Step by Step Solution

1. Step 1: Write the proportion equation
   72,860 : 160,172 = 160,172 : x
2. Step 2: Convert to fraction form
   72,860/160,172 = 160,172/x
3. Step 3: Cross multiply
   72,860x = 160,172 × 160,172
4. Step 4: Simplify right side
   72,860x = 25,655,069,584
5. Step 5: Solve for x
   x = 25,655,069,584/72,860
6. Step 6: Final answer
   x = 352,114.60