Finding the Third Proportional to 668,456 and 1,035,560

Step by Step Solution

1. Step 1: Write the proportion equation
   668,456 : 1,035,560 = 1,035,560 : x
2. Step 2: Convert to fraction form
   668,456/1,035,560 = 1,035,560/x
3. Step 3: Cross multiply
   668,456x = 1,035,560 × 1,035,560
4. Step 4: Simplify right side
   668,456x = 1,072,384,513,600
5. Step 5: Solve for x
   x = 1,072,384,513,600/668,456
6. Step 6: Final answer
   x = 1,604,270.91