Finding the Third Proportional to 687,367.50 and 1,509,222

Step by Step Solution

1. Step 1: Write the proportion equation
   687,367.50 : 1,509,222 = 1,509,222 : x
2. Step 2: Convert to fraction form
   687,367.50/1,509,222 = 1,509,222/x
3. Step 3: Cross multiply
   687,367.50x = 1,509,222 × 1,509,222
4. Step 4: Simplify right side
   687,367.50x = 2,277,751,045,284
5. Step 5: Solve for x
   x = 2,277,751,045,284/687,367.50
6. Step 6: Final answer
   x = 3,313,731.08