Finding the Third Proportional to 2,112,345 and 4,561,397

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,345 : 4,561,397 = 4,561,397 : x
2. Step 2: Convert to fraction form
   2,112,345/4,561,397 = 4,561,397/x
3. Step 3: Cross multiply
   2,112,345x = 4,561,397 × 4,561,397
4. Step 4: Simplify right side
   2,112,345x = 20,806,342,591,609
5. Step 5: Solve for x
   x = 20,806,342,591,609/2,112,345
6. Step 6: Final answer
   x = 9,849,878.97