Finding the Third Proportional to 72,627 and 171,719.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,627 : 171,719.63 = 171,719.63 : x
2. Step 2: Convert to fraction form
   72,627/171,719.63 = 171,719.63/x
3. Step 3: Cross multiply
   72,627x = 171,719.63 × 171,719.63
4. Step 4: Simplify right side
   72,627x = 29,487,629,610.14
5. Step 5: Solve for x
   x = 29,487,629,610.14/72,627
6. Step 6: Final answer
   x = 406,014.70