Finding the Third Proportional to 129,697.50 and 193,722

Step by Step Solution

1. Step 1: Write the proportion equation
   129,697.50 : 193,722 = 193,722 : x
2. Step 2: Convert to fraction form
   129,697.50/193,722 = 193,722/x
3. Step 3: Cross multiply
   129,697.50x = 193,722 × 193,722
4. Step 4: Simplify right side
   129,697.50x = 37,528,213,284
5. Step 5: Solve for x
   x = 37,528,213,284/129,697.50
6. Step 6: Final answer
   x = 289,351.86