Finding the Third Proportional to 37,153.69 and 56,439.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,153.69 : 56,439.28 = 56,439.28 : x
2. Step 2: Convert to fraction form
   37,153.69/56,439.28 = 56,439.28/x
3. Step 3: Cross multiply
   37,153.69x = 56,439.28 × 56,439.28
4. Step 4: Simplify right side
   37,153.69x = 3,185,392,468.02
5. Step 5: Solve for x
   x = 3,185,392,468.02/37,153.69
6. Step 6: Final answer
   x = 85,735.57