Finding the Third Proportional to 1,311,366 and 1,979,097

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,366 : 1,979,097 = 1,979,097 : x
2. Step 2: Convert to fraction form
   1,311,366/1,979,097 = 1,979,097/x
3. Step 3: Cross multiply
   1,311,366x = 1,979,097 × 1,979,097
4. Step 4: Simplify right side
   1,311,366x = 3,916,824,935,409
5. Step 5: Solve for x
   x = 3,916,824,935,409/1,311,366
6. Step 6: Final answer
   x = 2,986,828.19