Finding the Third Proportional to 37,790.38 and 54,628.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,790.38 : 54,628.75 = 54,628.75 : x
2. Step 2: Convert to fraction form
   37,790.38/54,628.75 = 54,628.75/x
3. Step 3: Cross multiply
   37,790.38x = 54,628.75 × 54,628.75
4. Step 4: Simplify right side
   37,790.38x = 2,984,300,326.56
5. Step 5: Solve for x
   x = 2,984,300,326.56/37,790.38
6. Step 6: Final answer
   x = 78,969.85