Finding the Third Proportional to 1,313,665 and 1,979,893

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,665 : 1,979,893 = 1,979,893 : x
2. Step 2: Convert to fraction form
   1,313,665/1,979,893 = 1,979,893/x
3. Step 3: Cross multiply
   1,313,665x = 1,979,893 × 1,979,893
4. Step 4: Simplify right side
   1,313,665x = 3,919,976,291,449
5. Step 5: Solve for x
   x = 3,919,976,291,449/1,313,665
6. Step 6: Final answer
   x = 2,983,999.95