Finding the Third Proportional to 140,313 and 298,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,313 : 298,153.50 = 298,153.50 : x
2. Step 2: Convert to fraction form
   140,313/298,153.50 = 298,153.50/x
3. Step 3: Cross multiply
   140,313x = 298,153.50 × 298,153.50
4. Step 4: Simplify right side
   140,313x = 88,895,509,562.25
5. Step 5: Solve for x
   x = 88,895,509,562.25/140,313
6. Step 6: Final answer
   x = 633,551.49