Finding the Third Proportional to 668,308 and 1,023,630

Step by Step Solution

1. Step 1: Write the proportion equation
   668,308 : 1,023,630 = 1,023,630 : x
2. Step 2: Convert to fraction form
   668,308/1,023,630 = 1,023,630/x
3. Step 3: Cross multiply
   668,308x = 1,023,630 × 1,023,630
4. Step 4: Simplify right side
   668,308x = 1,047,818,376,900
5. Step 5: Solve for x
   x = 1,047,818,376,900/668,308
6. Step 6: Final answer
   x = 1,567,867.48