Finding the Third Proportional to 543,838 and 1,175,156

Step by Step Solution

1. Step 1: Write the proportion equation
   543,838 : 1,175,156 = 1,175,156 : x
2. Step 2: Convert to fraction form
   543,838/1,175,156 = 1,175,156/x
3. Step 3: Cross multiply
   543,838x = 1,175,156 × 1,175,156
4. Step 4: Simplify right side
   543,838x = 1,380,991,624,336
5. Step 5: Solve for x
   x = 1,380,991,624,336/543,838
6. Step 6: Final answer
   x = 2,539,343.75