Finding the Third Proportional to 1,397,844 and 2,209,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,844 : 2,209,392 = 2,209,392 : x
2. Step 2: Convert to fraction form
   1,397,844/2,209,392 = 2,209,392/x
3. Step 3: Cross multiply
   1,397,844x = 2,209,392 × 2,209,392
4. Step 4: Simplify right side
   1,397,844x = 4,881,413,009,664
5. Step 5: Solve for x
   x = 4,881,413,009,664/1,397,844
6. Step 6: Final answer
   x = 3,492,101.41