Finding the Third Proportional to 1,306,336 and 1,979,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,336 : 1,979,190 = 1,979,190 : x
2. Step 2: Convert to fraction form
   1,306,336/1,979,190 = 1,979,190/x
3. Step 3: Cross multiply
   1,306,336x = 1,979,190 × 1,979,190
4. Step 4: Simplify right side
   1,306,336x = 3,917,193,056,100
5. Step 5: Solve for x
   x = 3,917,193,056,100/1,306,336
6. Step 6: Final answer
   x = 2,998,610.66