Finding the Third Proportional to 333,387 and 786,510

Step by Step Solution

1. Step 1: Write the proportion equation
   333,387 : 786,510 = 786,510 : x
2. Step 2: Convert to fraction form
   333,387/786,510 = 786,510/x
3. Step 3: Cross multiply
   333,387x = 786,510 × 786,510
4. Step 4: Simplify right side
   333,387x = 618,597,980,100
5. Step 5: Solve for x
   x = 618,597,980,100/333,387
6. Step 6: Final answer
   x = 1,855,495.21