Finding the Third Proportional to 155,280 and 332,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,280 : 332,977.50 = 332,977.50 : x
2. Step 2: Convert to fraction form
   155,280/332,977.50 = 332,977.50/x
3. Step 3: Cross multiply
   155,280x = 332,977.50 × 332,977.50
4. Step 4: Simplify right side
   155,280x = 110,874,015,506.25
5. Step 5: Solve for x
   x = 110,874,015,506.25/155,280
6. Step 6: Final answer
   x = 714,026.37