Finding the Third Proportional to 51,842.50 and 73,419

Step by Step Solution

1. Step 1: Write the proportion equation
   51,842.50 : 73,419 = 73,419 : x
2. Step 2: Convert to fraction form
   51,842.50/73,419 = 73,419/x
3. Step 3: Cross multiply
   51,842.50x = 73,419 × 73,419
4. Step 4: Simplify right side
   51,842.50x = 5,390,349,561
5. Step 5: Solve for x
   x = 5,390,349,561/51,842.50
6. Step 6: Final answer
   x = 103,975.49