Finding the Third Proportional to 606,698.50 and 1,320,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   606,698.50 : 1,320,100.75 = 1,320,100.75 : x
2. Step 2: Convert to fraction form
   606,698.50/1,320,100.75 = 1,320,100.75/x
3. Step 3: Cross multiply
   606,698.50x = 1,320,100.75 × 1,320,100.75
4. Step 4: Simplify right side
   606,698.50x = 1,742,665,990,150.56
5. Step 5: Solve for x
   x = 1,742,665,990,150.56/606,698.50
6. Step 6: Final answer
   x = 2,872,375.64