Finding the Third Proportional to 111,056.50 and 162,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,056.50 : 162,419.50 = 162,419.50 : x
2. Step 2: Convert to fraction form
   111,056.50/162,419.50 = 162,419.50/x
3. Step 3: Cross multiply
   111,056.50x = 162,419.50 × 162,419.50
4. Step 4: Simplify right side
   111,056.50x = 26,380,093,980.25
5. Step 5: Solve for x
   x = 26,380,093,980.25/111,056.50
6. Step 6: Final answer
   x = 237,537.60