Finding the Third Proportional to 37,152 and 56,439

Step by Step Solution

1. Step 1: Write the proportion equation
   37,152 : 56,439 = 56,439 : x
2. Step 2: Convert to fraction form
   37,152/56,439 = 56,439/x
3. Step 3: Cross multiply
   37,152x = 56,439 × 56,439
4. Step 4: Simplify right side
   37,152x = 3,185,360,721
5. Step 5: Solve for x
   x = 3,185,360,721/37,152
6. Step 6: Final answer
   x = 85,738.61