Finding the Third Proportional to 366,673.50 and 493,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,673.50 : 493,411.50 = 493,411.50 : x
2. Step 2: Convert to fraction form
   366,673.50/493,411.50 = 493,411.50/x
3. Step 3: Cross multiply
   366,673.50x = 493,411.50 × 493,411.50
4. Step 4: Simplify right side
   366,673.50x = 243,454,908,332.25
5. Step 5: Solve for x
   x = 243,454,908,332.25/366,673.50
6. Step 6: Final answer
   x = 663,955.56