Finding the Third Proportional to 156,019.50 and 223,110

Step by Step Solution

1. Step 1: Write the proportion equation
   156,019.50 : 223,110 = 223,110 : x
2. Step 2: Convert to fraction form
   156,019.50/223,110 = 223,110/x
3. Step 3: Cross multiply
   156,019.50x = 223,110 × 223,110
4. Step 4: Simplify right side
   156,019.50x = 49,778,072,100
5. Step 5: Solve for x
   x = 49,778,072,100/156,019.50
6. Step 6: Final answer
   x = 319,050.32