Finding the Third Proportional to 1,312,458 and 2,056,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,458 : 2,056,164 = 2,056,164 : x
2. Step 2: Convert to fraction form
   1,312,458/2,056,164 = 2,056,164/x
3. Step 3: Cross multiply
   1,312,458x = 2,056,164 × 2,056,164
4. Step 4: Simplify right side
   1,312,458x = 4,227,810,394,896
5. Step 5: Solve for x
   x = 4,227,810,394,896/1,312,458
6. Step 6: Final answer
   x = 3,221,291.95