Finding the Third Proportional to 1,229,763 and 2,672,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,763 : 2,672,286 = 2,672,286 : x
2. Step 2: Convert to fraction form
   1,229,763/2,672,286 = 2,672,286/x
3. Step 3: Cross multiply
   1,229,763x = 2,672,286 × 2,672,286
4. Step 4: Simplify right side
   1,229,763x = 7,141,112,465,796
5. Step 5: Solve for x
   x = 7,141,112,465,796/1,229,763
6. Step 6: Final answer
   x = 5,806,901.38