Finding the Third Proportional to 362,520 and 551,460

Step by Step Solution

1. Step 1: Write the proportion equation
   362,520 : 551,460 = 551,460 : x
2. Step 2: Convert to fraction form
   362,520/551,460 = 551,460/x
3. Step 3: Cross multiply
   362,520x = 551,460 × 551,460
4. Step 4: Simplify right side
   362,520x = 304,108,131,600
5. Step 5: Solve for x
   x = 304,108,131,600/362,520
6. Step 6: Final answer
   x = 838,872.70