Finding the Third Proportional to 668,300 and 1,023,620

Step by Step Solution

1. Step 1: Write the proportion equation
   668,300 : 1,023,620 = 1,023,620 : x
2. Step 2: Convert to fraction form
   668,300/1,023,620 = 1,023,620/x
3. Step 3: Cross multiply
   668,300x = 1,023,620 × 1,023,620
4. Step 4: Simplify right side
   668,300x = 1,047,797,904,400
5. Step 5: Solve for x
   x = 1,047,797,904,400/668,300
6. Step 6: Final answer
   x = 1,567,855.61