Finding the Third Proportional to 57,091.50 and 122,769

Step by Step Solution

1. Step 1: Write the proportion equation
   57,091.50 : 122,769 = 122,769 : x
2. Step 2: Convert to fraction form
   57,091.50/122,769 = 122,769/x
3. Step 3: Cross multiply
   57,091.50x = 122,769 × 122,769
4. Step 4: Simplify right side
   57,091.50x = 15,072,227,361
5. Step 5: Solve for x
   x = 15,072,227,361/57,091.50
6. Step 6: Final answer
   x = 264,001.25