Finding the Third Proportional to 2,129,893 and 4,584,554

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,893 : 4,584,554 = 4,584,554 : x
2. Step 2: Convert to fraction form
   2,129,893/4,584,554 = 4,584,554/x
3. Step 3: Cross multiply
   2,129,893x = 4,584,554 × 4,584,554
4. Step 4: Simplify right side
   2,129,893x = 21,018,135,378,916
5. Step 5: Solve for x
   x = 21,018,135,378,916/2,129,893
6. Step 6: Final answer
   x = 9,868,164.92