Finding the Third Proportional to 56,955.16 and 87,665.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,955.16 : 87,665.34 = 87,665.34 : x
2. Step 2: Convert to fraction form
   56,955.16/87,665.34 = 87,665.34/x
3. Step 3: Cross multiply
   56,955.16x = 87,665.34 × 87,665.34
4. Step 4: Simplify right side
   56,955.16x = 7,685,212,494.81
5. Step 5: Solve for x
   x = 7,685,212,494.81/56,955.16
6. Step 6: Final answer
   x = 134,934.43