Finding the Third Proportional to 1,144,138 and 1,553,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,138 : 1,553,880 = 1,553,880 : x
2. Step 2: Convert to fraction form
   1,144,138/1,553,880 = 1,553,880/x
3. Step 3: Cross multiply
   1,144,138x = 1,553,880 × 1,553,880
4. Step 4: Simplify right side
   1,144,138x = 2,414,543,054,400
5. Step 5: Solve for x
   x = 2,414,543,054,400/1,144,138
6. Step 6: Final answer
   x = 2,110,359.99