Finding the Third Proportional to 278,106 and 607,180

Step by Step Solution

1. Step 1: Write the proportion equation
   278,106 : 607,180 = 607,180 : x
2. Step 2: Convert to fraction form
   278,106/607,180 = 607,180/x
3. Step 3: Cross multiply
   278,106x = 607,180 × 607,180
4. Step 4: Simplify right side
   278,106x = 368,667,552,400
5. Step 5: Solve for x
   x = 368,667,552,400/278,106
6. Step 6: Final answer
   x = 1,325,636.82