Finding the Third Proportional to 345,900.50 and 441,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   345,900.50 : 441,981.50 = 441,981.50 : x
2. Step 2: Convert to fraction form
   345,900.50/441,981.50 = 441,981.50/x
3. Step 3: Cross multiply
   345,900.50x = 441,981.50 × 441,981.50
4. Step 4: Simplify right side
   345,900.50x = 195,347,646,342.25
5. Step 5: Solve for x
   x = 195,347,646,342.25/345,900.50
6. Step 6: Final answer
   x = 564,750.98