Finding the Third Proportional to 948,446 and 1,686,370

Step by Step Solution

1. Step 1: Write the proportion equation
   948,446 : 1,686,370 = 1,686,370 : x
2. Step 2: Convert to fraction form
   948,446/1,686,370 = 1,686,370/x
3. Step 3: Cross multiply
   948,446x = 1,686,370 × 1,686,370
4. Step 4: Simplify right side
   948,446x = 2,843,843,776,900
5. Step 5: Solve for x
   x = 2,843,843,776,900/948,446
6. Step 6: Final answer
   x = 2,998,424.56