Finding the Third Proportional to 220,974 and 331,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,974 : 331,096.50 = 331,096.50 : x
2. Step 2: Convert to fraction form
   220,974/331,096.50 = 331,096.50/x
3. Step 3: Cross multiply
   220,974x = 331,096.50 × 331,096.50
4. Step 4: Simplify right side
   220,974x = 109,624,892,312.25
5. Step 5: Solve for x
   x = 109,624,892,312.25/220,974
6. Step 6: Final answer
   x = 496,098.60