Finding the Third Proportional to 1,312,770 and 1,966,965

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,770 : 1,966,965 = 1,966,965 : x
2. Step 2: Convert to fraction form
   1,312,770/1,966,965 = 1,966,965/x
3. Step 3: Cross multiply
   1,312,770x = 1,966,965 × 1,966,965
4. Step 4: Simplify right side
   1,312,770x = 3,868,951,311,225
5. Step 5: Solve for x
   x = 3,868,951,311,225/1,312,770
6. Step 6: Final answer
   x = 2,947,166.15