Finding the Third Proportional to 830,800 and 1,244,812

Step by Step Solution

1. Step 1: Write the proportion equation
   830,800 : 1,244,812 = 1,244,812 : x
2. Step 2: Convert to fraction form
   830,800/1,244,812 = 1,244,812/x
3. Step 3: Cross multiply
   830,800x = 1,244,812 × 1,244,812
4. Step 4: Simplify right side
   830,800x = 1,549,556,915,344
5. Step 5: Solve for x
   x = 1,549,556,915,344/830,800
6. Step 6: Final answer
   x = 1,865,138.32