Finding the Third Proportional to 918,339 and 2,144,472

Step by Step Solution

1. Step 1: Write the proportion equation
   918,339 : 2,144,472 = 2,144,472 : x
2. Step 2: Convert to fraction form
   918,339/2,144,472 = 2,144,472/x
3. Step 3: Cross multiply
   918,339x = 2,144,472 × 2,144,472
4. Step 4: Simplify right side
   918,339x = 4,598,760,158,784
5. Step 5: Solve for x
   x = 4,598,760,158,784/918,339
6. Step 6: Final answer
   x = 5,007,693.41