Finding the Third Proportional to 30,109.50 and 46,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,109.50 : 46,831.50 = 46,831.50 : x
2. Step 2: Convert to fraction form
   30,109.50/46,831.50 = 46,831.50/x
3. Step 3: Cross multiply
   30,109.50x = 46,831.50 × 46,831.50
4. Step 4: Simplify right side
   30,109.50x = 2,193,189,392.25
5. Step 5: Solve for x
   x = 2,193,189,392.25/30,109.50
6. Step 6: Final answer
   x = 72,840.45