Finding the Third Proportional to 333,379.50 and 786,645

Step by Step Solution

1. Step 1: Write the proportion equation
   333,379.50 : 786,645 = 786,645 : x
2. Step 2: Convert to fraction form
   333,379.50/786,645 = 786,645/x
3. Step 3: Cross multiply
   333,379.50x = 786,645 × 786,645
4. Step 4: Simplify right side
   333,379.50x = 618,810,356,025
5. Step 5: Solve for x
   x = 618,810,356,025/333,379.50
6. Step 6: Final answer
   x = 1,856,173.99