Finding the Third Proportional to 1,227,658 and 1,858,465

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,658 : 1,858,465 = 1,858,465 : x
2. Step 2: Convert to fraction form
   1,227,658/1,858,465 = 1,858,465/x
3. Step 3: Cross multiply
   1,227,658x = 1,858,465 × 1,858,465
4. Step 4: Simplify right side
   1,227,658x = 3,453,892,156,225
5. Step 5: Solve for x
   x = 3,453,892,156,225/1,227,658
6. Step 6: Final answer
   x = 2,813,399.30