Finding the Third Proportional to 379,674 and 563,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   379,674 : 563,674.50 = 563,674.50 : x
2. Step 2: Convert to fraction form
   379,674/563,674.50 = 563,674.50/x
3. Step 3: Cross multiply
   379,674x = 563,674.50 × 563,674.50
4. Step 4: Simplify right side
   379,674x = 317,728,941,950.25
5. Step 5: Solve for x
   x = 317,728,941,950.25/379,674
6. Step 6: Final answer
   x = 836,846.72