Finding the Third Proportional to 359,772 and 789,528

Step by Step Solution

1. Step 1: Write the proportion equation
   359,772 : 789,528 = 789,528 : x
2. Step 2: Convert to fraction form
   359,772/789,528 = 789,528/x
3. Step 3: Cross multiply
   359,772x = 789,528 × 789,528
4. Step 4: Simplify right side
   359,772x = 623,354,462,784
5. Step 5: Solve for x
   x = 623,354,462,784/359,772
6. Step 6: Final answer
   x = 1,732,637.51