Finding the Third Proportional to 384,279 and 613,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,279 : 613,894.50 = 613,894.50 : x
2. Step 2: Convert to fraction form
   384,279/613,894.50 = 613,894.50/x
3. Step 3: Cross multiply
   384,279x = 613,894.50 × 613,894.50
4. Step 4: Simplify right side
   384,279x = 376,866,457,130.25
5. Step 5: Solve for x
   x = 376,866,457,130.25/384,279
6. Step 6: Final answer
   x = 980,710.52