Finding the Third Proportional to 829,778 and 1,252,300

Step by Step Solution

1. Step 1: Write the proportion equation
   829,778 : 1,252,300 = 1,252,300 : x
2. Step 2: Convert to fraction form
   829,778/1,252,300 = 1,252,300/x
3. Step 3: Cross multiply
   829,778x = 1,252,300 × 1,252,300
4. Step 4: Simplify right side
   829,778x = 1,568,255,290,000
5. Step 5: Solve for x
   x = 1,568,255,290,000/829,778
6. Step 6: Final answer
   x = 1,889,969.71