Finding the Third Proportional to 1,835,144 and 4,318,236

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,144 : 4,318,236 = 4,318,236 : x
2. Step 2: Convert to fraction form
   1,835,144/4,318,236 = 4,318,236/x
3. Step 3: Cross multiply
   1,835,144x = 4,318,236 × 4,318,236
4. Step 4: Simplify right side
   1,835,144x = 18,647,162,151,696
5. Step 5: Solve for x
   x = 18,647,162,151,696/1,835,144
6. Step 6: Final answer
   x = 10,161,143.84