Finding the Third Proportional to 144,085 and 231,506

Step by Step Solution

1. Step 1: Write the proportion equation
   144,085 : 231,506 = 231,506 : x
2. Step 2: Convert to fraction form
   144,085/231,506 = 231,506/x
3. Step 3: Cross multiply
   144,085x = 231,506 × 231,506
4. Step 4: Simplify right side
   144,085x = 53,595,028,036
5. Step 5: Solve for x
   x = 53,595,028,036/144,085
6. Step 6: Final answer
   x = 371,968.13