Finding the Third Proportional to 478,540 and 743,094

Step by Step Solution

1. Step 1: Write the proportion equation
   478,540 : 743,094 = 743,094 : x
2. Step 2: Convert to fraction form
   478,540/743,094 = 743,094/x
3. Step 3: Cross multiply
   478,540x = 743,094 × 743,094
4. Step 4: Simplify right side
   478,540x = 552,188,692,836
5. Step 5: Solve for x
   x = 552,188,692,836/478,540
6. Step 6: Final answer
   x = 1,153,902.90