Finding the Third Proportional to 1,000,467 and 2,158,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,467 : 2,158,398 = 2,158,398 : x
2. Step 2: Convert to fraction form
   1,000,467/2,158,398 = 2,158,398/x
3. Step 3: Cross multiply
   1,000,467x = 2,158,398 × 2,158,398
4. Step 4: Simplify right side
   1,000,467x = 4,658,681,926,404
5. Step 5: Solve for x
   x = 4,658,681,926,404/1,000,467
6. Step 6: Final answer
   x = 4,656,507.34