Finding the Third Proportional to 333,153 and 490,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,153 : 490,981.50 = 490,981.50 : x
2. Step 2: Convert to fraction form
   333,153/490,981.50 = 490,981.50/x
3. Step 3: Cross multiply
   333,153x = 490,981.50 × 490,981.50
4. Step 4: Simplify right side
   333,153x = 241,062,833,342.25
5. Step 5: Solve for x
   x = 241,062,833,342.25/333,153
6. Step 6: Final answer
   x = 723,579.96