Finding the Third Proportional to 634,156 and 1,320,800

Step by Step Solution

1. Step 1: Write the proportion equation
   634,156 : 1,320,800 = 1,320,800 : x
2. Step 2: Convert to fraction form
   634,156/1,320,800 = 1,320,800/x
3. Step 3: Cross multiply
   634,156x = 1,320,800 × 1,320,800
4. Step 4: Simplify right side
   634,156x = 1,744,512,640,000
5. Step 5: Solve for x
   x = 1,744,512,640,000/634,156
6. Step 6: Final answer
   x = 2,750,920.34