Finding the Third Proportional to 1,309,840 and 1,956,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,840 : 1,956,672 = 1,956,672 : x
2. Step 2: Convert to fraction form
   1,309,840/1,956,672 = 1,956,672/x
3. Step 3: Cross multiply
   1,309,840x = 1,956,672 × 1,956,672
4. Step 4: Simplify right side
   1,309,840x = 3,828,565,315,584
5. Step 5: Solve for x
   x = 3,828,565,315,584/1,309,840
6. Step 6: Final answer
   x = 2,922,925.94