Finding the Third Proportional to 2,005,079 and 4,312,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,079 : 4,312,419 = 4,312,419 : x
2. Step 2: Convert to fraction form
   2,005,079/4,312,419 = 4,312,419/x
3. Step 3: Cross multiply
   2,005,079x = 4,312,419 × 4,312,419
4. Step 4: Simplify right side
   2,005,079x = 18,596,957,631,561
5. Step 5: Solve for x
   x = 18,596,957,631,561/2,005,079
6. Step 6: Final answer
   x = 9,274,925.14