Finding the Third Proportional to 626,720 and 1,377,856

Step by Step Solution

1. Step 1: Write the proportion equation
   626,720 : 1,377,856 = 1,377,856 : x
2. Step 2: Convert to fraction form
   626,720/1,377,856 = 1,377,856/x
3. Step 3: Cross multiply
   626,720x = 1,377,856 × 1,377,856
4. Step 4: Simplify right side
   626,720x = 1,898,487,156,736
5. Step 5: Solve for x
   x = 1,898,487,156,736/626,720
6. Step 6: Final answer
   x = 3,029,242.97