Finding the Third Proportional to 337,152 and 722,280

Step by Step Solution

1. Step 1: Write the proportion equation
   337,152 : 722,280 = 722,280 : x
2. Step 2: Convert to fraction form
   337,152/722,280 = 722,280/x
3. Step 3: Cross multiply
   337,152x = 722,280 × 722,280
4. Step 4: Simplify right side
   337,152x = 521,688,398,400
5. Step 5: Solve for x
   x = 521,688,398,400/337,152
6. Step 6: Final answer
   x = 1,547,338.88