Finding the Third Proportional to 216,661.50 and 483,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   216,661.50 : 483,112.50 = 483,112.50 : x
2. Step 2: Convert to fraction form
   216,661.50/483,112.50 = 483,112.50/x
3. Step 3: Cross multiply
   216,661.50x = 483,112.50 × 483,112.50
4. Step 4: Simplify right side
   216,661.50x = 233,397,687,656.25
5. Step 5: Solve for x
   x = 233,397,687,656.25/216,661.50
6. Step 6: Final answer
   x = 1,077,245.79