Finding the Third Proportional to 90,058.50 and 193,959

Step by Step Solution

1. Step 1: Write the proportion equation
   90,058.50 : 193,959 = 193,959 : x
2. Step 2: Convert to fraction form
   90,058.50/193,959 = 193,959/x
3. Step 3: Cross multiply
   90,058.50x = 193,959 × 193,959
4. Step 4: Simplify right side
   90,058.50x = 37,620,093,681
5. Step 5: Solve for x
   x = 37,620,093,681/90,058.50
6. Step 6: Final answer
   x = 417,729.52