Finding the Third Proportional to 1,377,720 and 2,919,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,720 : 2,919,336 = 2,919,336 : x
2. Step 2: Convert to fraction form
   1,377,720/2,919,336 = 2,919,336/x
3. Step 3: Cross multiply
   1,377,720x = 2,919,336 × 2,919,336
4. Step 4: Simplify right side
   1,377,720x = 8,522,522,680,896
5. Step 5: Solve for x
   x = 8,522,522,680,896/1,377,720
6. Step 6: Final answer
   x = 6,185,961.36