Finding the Third Proportional to 37,428.75 and 80,790

Step by Step Solution

1. Step 1: Write the proportion equation
   37,428.75 : 80,790 = 80,790 : x
2. Step 2: Convert to fraction form
   37,428.75/80,790 = 80,790/x
3. Step 3: Cross multiply
   37,428.75x = 80,790 × 80,790
4. Step 4: Simplify right side
   37,428.75x = 6,527,024,100
5. Step 5: Solve for x
   x = 6,527,024,100/37,428.75
6. Step 6: Final answer
   x = 174,385.31