Finding the Third Proportional to 478,736 and 743,384

Step by Step Solution

1. Step 1: Write the proportion equation
   478,736 : 743,384 = 743,384 : x
2. Step 2: Convert to fraction form
   478,736/743,384 = 743,384/x
3. Step 3: Cross multiply
   478,736x = 743,384 × 743,384
4. Step 4: Simplify right side
   478,736x = 552,619,771,456
5. Step 5: Solve for x
   x = 552,619,771,456/478,736
6. Step 6: Final answer
   x = 1,154,330.93