Finding the Third Proportional to 56,509.84 and 76,745.29

Step by Step Solution

1. Step 1: Write the proportion equation
   56,509.84 : 76,745.29 = 76,745.29 : x
2. Step 2: Convert to fraction form
   56,509.84/76,745.29 = 76,745.29/x
3. Step 3: Cross multiply
   56,509.84x = 76,745.29 × 76,745.29
4. Step 4: Simplify right side
   56,509.84x = 5,889,838,793.71
5. Step 5: Solve for x
   x = 5,889,838,793.71/56,509.84
6. Step 6: Final answer
   x = 104,226.78