Finding the Third Proportional to 369,133.88 and 789,453

Step by Step Solution

1. Step 1: Write the proportion equation
   369,133.88 : 789,453 = 789,453 : x
2. Step 2: Convert to fraction form
   369,133.88/789,453 = 789,453/x
3. Step 3: Cross multiply
   369,133.88x = 789,453 × 789,453
4. Step 4: Simplify right side
   369,133.88x = 623,236,039,209
5. Step 5: Solve for x
   x = 623,236,039,209/369,133.88
6. Step 6: Final answer
   x = 1,688,374.01