Finding the Third Proportional to 215,640 and 467,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,640 : 467,932.50 = 467,932.50 : x
2. Step 2: Convert to fraction form
   215,640/467,932.50 = 467,932.50/x
3. Step 3: Cross multiply
   215,640x = 467,932.50 × 467,932.50
4. Step 4: Simplify right side
   215,640x = 218,960,824,556.25
5. Step 5: Solve for x
   x = 218,960,824,556.25/215,640
6. Step 6: Final answer
   x = 1,015,399.85