Finding the Third Proportional to 50,437.69 and 78,048.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,437.69 : 78,048.56 = 78,048.56 : x
2. Step 2: Convert to fraction form
   50,437.69/78,048.56 = 78,048.56/x
3. Step 3: Cross multiply
   50,437.69x = 78,048.56 × 78,048.56
4. Step 4: Simplify right side
   50,437.69x = 6,091,578,108.32
5. Step 5: Solve for x
   x = 6,091,578,108.32/50,437.69
6. Step 6: Final answer
   x = 120,774.33