Finding the Third Proportional to 369,152 and 789,492

Step by Step Solution

1. Step 1: Write the proportion equation
   369,152 : 789,492 = 789,492 : x
2. Step 2: Convert to fraction form
   369,152/789,492 = 789,492/x
3. Step 3: Cross multiply
   369,152x = 789,492 × 789,492
4. Step 4: Simplify right side
   369,152x = 623,297,618,064
5. Step 5: Solve for x
   x = 623,297,618,064/369,152
6. Step 6: Final answer
   x = 1,688,457.92