Finding the Third Proportional to 1,288,856 and 1,893,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,856 : 1,893,810 = 1,893,810 : x
2. Step 2: Convert to fraction form
   1,288,856/1,893,810 = 1,893,810/x
3. Step 3: Cross multiply
   1,288,856x = 1,893,810 × 1,893,810
4. Step 4: Simplify right side
   1,288,856x = 3,586,516,316,100
5. Step 5: Solve for x
   x = 3,586,516,316,100/1,288,856
6. Step 6: Final answer
   x = 2,782,712.98