Finding the Third Proportional to 1,310,589 and 2,803,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,589 : 2,803,392 = 2,803,392 : x
2. Step 2: Convert to fraction form
   1,310,589/2,803,392 = 2,803,392/x
3. Step 3: Cross multiply
   1,310,589x = 2,803,392 × 2,803,392
4. Step 4: Simplify right side
   1,310,589x = 7,859,006,705,664
5. Step 5: Solve for x
   x = 7,859,006,705,664/1,310,589
6. Step 6: Final answer
   x = 5,996,545.60