Finding the Third Proportional to 827,840 and 1,265,820

Step by Step Solution

1. Step 1: Write the proportion equation
   827,840 : 1,265,820 = 1,265,820 : x
2. Step 2: Convert to fraction form
   827,840/1,265,820 = 1,265,820/x
3. Step 3: Cross multiply
   827,840x = 1,265,820 × 1,265,820
4. Step 4: Simplify right side
   827,840x = 1,602,300,272,400
5. Step 5: Solve for x
   x = 1,602,300,272,400/827,840
6. Step 6: Final answer
   x = 1,935,519.27