Finding the Third Proportional to 830,790 and 1,244,799

Step by Step Solution

1. Step 1: Write the proportion equation
   830,790 : 1,244,799 = 1,244,799 : x
2. Step 2: Convert to fraction form
   830,790/1,244,799 = 1,244,799/x
3. Step 3: Cross multiply
   830,790x = 1,244,799 × 1,244,799
4. Step 4: Simplify right side
   830,790x = 1,549,524,550,401
5. Step 5: Solve for x
   x = 1,549,524,550,401/830,790
6. Step 6: Final answer
   x = 1,865,121.81