Finding the Third Proportional to 155,131.50 and 223,671

Step by Step Solution

1. Step 1: Write the proportion equation
   155,131.50 : 223,671 = 223,671 : x
2. Step 2: Convert to fraction form
   155,131.50/223,671 = 223,671/x
3. Step 3: Cross multiply
   155,131.50x = 223,671 × 223,671
4. Step 4: Simplify right side
   155,131.50x = 50,028,716,241
5. Step 5: Solve for x
   x = 50,028,716,241/155,131.50
6. Step 6: Final answer
   x = 322,492.31