Finding the Third Proportional to 56,064.66 and 85,558.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,064.66 : 85,558.78 = 85,558.78 : x
2. Step 2: Convert to fraction form
   56,064.66/85,558.78 = 85,558.78/x
3. Step 3: Cross multiply
   56,064.66x = 85,558.78 × 85,558.78
4. Step 4: Simplify right side
   56,064.66x = 7,320,305,048.99
5. Step 5: Solve for x
   x = 7,320,305,048.99/56,064.66
6. Step 6: Final answer
   x = 130,568.98