Finding the Third Proportional to 642,504 and 1,522,122

Step by Step Solution

1. Step 1: Write the proportion equation
   642,504 : 1,522,122 = 1,522,122 : x
2. Step 2: Convert to fraction form
   642,504/1,522,122 = 1,522,122/x
3. Step 3: Cross multiply
   642,504x = 1,522,122 × 1,522,122
4. Step 4: Simplify right side
   642,504x = 2,316,855,382,884
5. Step 5: Solve for x
   x = 2,316,855,382,884/642,504
6. Step 6: Final answer
   x = 3,605,978.15