Finding the Third Proportional to 830,648 and 1,262,388

Step by Step Solution

1. Step 1: Write the proportion equation
   830,648 : 1,262,388 = 1,262,388 : x
2. Step 2: Convert to fraction form
   830,648/1,262,388 = 1,262,388/x
3. Step 3: Cross multiply
   830,648x = 1,262,388 × 1,262,388
4. Step 4: Simplify right side
   830,648x = 1,593,623,462,544
5. Step 5: Solve for x
   x = 1,593,623,462,544/830,648
6. Step 6: Final answer
   x = 1,918,530.43