Finding the Third Proportional to 668,288 and 1,023,600

Step by Step Solution

1. Step 1: Write the proportion equation
   668,288 : 1,023,600 = 1,023,600 : x
2. Step 2: Convert to fraction form
   668,288/1,023,600 = 1,023,600/x
3. Step 3: Cross multiply
   668,288x = 1,023,600 × 1,023,600
4. Step 4: Simplify right side
   668,288x = 1,047,756,960,000
5. Step 5: Solve for x
   x = 1,047,756,960,000/668,288
6. Step 6: Final answer
   x = 1,567,822.50