Finding the Third Proportional to 696,577 and 1,422,670

Step by Step Solution

1. Step 1: Write the proportion equation
   696,577 : 1,422,670 = 1,422,670 : x
2. Step 2: Convert to fraction form
   696,577/1,422,670 = 1,422,670/x
3. Step 3: Cross multiply
   696,577x = 1,422,670 × 1,422,670
4. Step 4: Simplify right side
   696,577x = 2,023,989,928,900
5. Step 5: Solve for x
   x = 2,023,989,928,900/696,577
6. Step 6: Final answer
   x = 2,905,622.68