Finding the Third Proportional to 569,620 and 1,212,860

Step by Step Solution

1. Step 1: Write the proportion equation
   569,620 : 1,212,860 = 1,212,860 : x
2. Step 2: Convert to fraction form
   569,620/1,212,860 = 1,212,860/x
3. Step 3: Cross multiply
   569,620x = 1,212,860 × 1,212,860
4. Step 4: Simplify right side
   569,620x = 1,471,029,379,600
5. Step 5: Solve for x
   x = 1,471,029,379,600/569,620
6. Step 6: Final answer
   x = 2,582,474.95