Finding the Third Proportional to 388,156 and 848,492

Step by Step Solution

1. Step 1: Write the proportion equation
   388,156 : 848,492 = 848,492 : x
2. Step 2: Convert to fraction form
   388,156/848,492 = 848,492/x
3. Step 3: Cross multiply
   388,156x = 848,492 × 848,492
4. Step 4: Simplify right side
   388,156x = 719,938,674,064
5. Step 5: Solve for x
   x = 719,938,674,064/388,156
6. Step 6: Final answer
   x = 1,854,766.32