Finding the Third Proportional to 362,570 and 789,654

Step by Step Solution

1. Step 1: Write the proportion equation
   362,570 : 789,654 = 789,654 : x
2. Step 2: Convert to fraction form
   362,570/789,654 = 789,654/x
3. Step 3: Cross multiply
   362,570x = 789,654 × 789,654
4. Step 4: Simplify right side
   362,570x = 623,553,439,716
5. Step 5: Solve for x
   x = 623,553,439,716/362,570
6. Step 6: Final answer
   x = 1,719,815.32