Finding the Third Proportional to 668,304 and 1,447,416

Step by Step Solution

1. Step 1: Write the proportion equation
   668,304 : 1,447,416 = 1,447,416 : x
2. Step 2: Convert to fraction form
   668,304/1,447,416 = 1,447,416/x
3. Step 3: Cross multiply
   668,304x = 1,447,416 × 1,447,416
4. Step 4: Simplify right side
   668,304x = 2,095,013,077,056
5. Step 5: Solve for x
   x = 2,095,013,077,056/668,304
6. Step 6: Final answer
   x = 3,134,820.50