Finding the Third Proportional to 1,427,863 and 2,211,897

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,863 : 2,211,897 = 2,211,897 : x
2. Step 2: Convert to fraction form
   1,427,863/2,211,897 = 2,211,897/x
3. Step 3: Cross multiply
   1,427,863x = 2,211,897 × 2,211,897
4. Step 4: Simplify right side
   1,427,863x = 4,892,488,338,609
5. Step 5: Solve for x
   x = 4,892,488,338,609/1,427,863
6. Step 6: Final answer
   x = 3,426,441.01