Finding the Third Proportional to 56,831.63 and 85,961.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,831.63 : 85,961.25 = 85,961.25 : x
2. Step 2: Convert to fraction form
   56,831.63/85,961.25 = 85,961.25/x
3. Step 3: Cross multiply
   56,831.63x = 85,961.25 × 85,961.25
4. Step 4: Simplify right side
   56,831.63x = 7,389,336,501.56
5. Step 5: Solve for x
   x = 7,389,336,501.56/56,831.63
6. Step 6: Final answer
   x = 130,021.56