Finding the Third Proportional to 35,831.25 and 78,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   35,831.25 : 78,131.25 = 78,131.25 : x
2. Step 2: Convert to fraction form
   35,831.25/78,131.25 = 78,131.25/x
3. Step 3: Cross multiply
   35,831.25x = 78,131.25 × 78,131.25
4. Step 4: Simplify right side
   35,831.25x = 6,104,492,226.56
5. Step 5: Solve for x
   x = 6,104,492,226.56/35,831.25
6. Step 6: Final answer
   x = 170,367.83