Finding the Third Proportional to 277,560 and 598,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,560 : 598,333.50 = 598,333.50 : x
2. Step 2: Convert to fraction form
   277,560/598,333.50 = 598,333.50/x
3. Step 3: Cross multiply
   277,560x = 598,333.50 × 598,333.50
4. Step 4: Simplify right side
   277,560x = 358,002,977,222.25
5. Step 5: Solve for x
   x = 358,002,977,222.25/277,560
6. Step 6: Final answer
   x = 1,289,821.94