Finding the Third Proportional to 50,412.38 and 77,380.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,412.38 : 77,380.88 = 77,380.88 : x
2. Step 2: Convert to fraction form
   50,412.38/77,380.88 = 77,380.88/x
3. Step 3: Cross multiply
   50,412.38x = 77,380.88 × 77,380.88
4. Step 4: Simplify right side
   50,412.38x = 5,987,799,815.77
5. Step 5: Solve for x
   x = 5,987,799,815.77/50,412.38
6. Step 6: Final answer
   x = 118,776.39