Finding the Third Proportional to 1,393,497 and 2,109,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,497 : 2,109,510 = 2,109,510 : x
2. Step 2: Convert to fraction form
   1,393,497/2,109,510 = 2,109,510/x
3. Step 3: Cross multiply
   1,393,497x = 2,109,510 × 2,109,510
4. Step 4: Simplify right side
   1,393,497x = 4,450,032,440,100
5. Step 5: Solve for x
   x = 4,450,032,440,100/1,393,497
6. Step 6: Final answer
   x = 3,193,428.07