Finding the Third Proportional to 50,542.50 and 77,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,542.50 : 77,359.50 = 77,359.50 : x
2. Step 2: Convert to fraction form
   50,542.50/77,359.50 = 77,359.50/x
3. Step 3: Cross multiply
   50,542.50x = 77,359.50 × 77,359.50
4. Step 4: Simplify right side
   50,542.50x = 5,984,492,240.25
5. Step 5: Solve for x
   x = 5,984,492,240.25/50,542.50
6. Step 6: Final answer
   x = 118,405.15