Finding the Third Proportional to 1,120,320 and 1,697,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,320 : 1,697,388 = 1,697,388 : x
2. Step 2: Convert to fraction form
   1,120,320/1,697,388 = 1,697,388/x
3. Step 3: Cross multiply
   1,120,320x = 1,697,388 × 1,697,388
4. Step 4: Simplify right side
   1,120,320x = 2,881,126,022,544
5. Step 5: Solve for x
   x = 2,881,126,022,544/1,120,320
6. Step 6: Final answer
   x = 2,571,699.18