Finding the Third Proportional to 1,397,592 and 2,109,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,592 : 2,109,672 = 2,109,672 : x
2. Step 2: Convert to fraction form
   1,397,592/2,109,672 = 2,109,672/x
3. Step 3: Cross multiply
   1,397,592x = 2,109,672 × 2,109,672
4. Step 4: Simplify right side
   1,397,592x = 4,450,715,947,584
5. Step 5: Solve for x
   x = 4,450,715,947,584/1,397,592
6. Step 6: Final answer
   x = 3,184,560.26