Finding the Third Proportional to 2,071,972 and 3,215,560

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,972 : 3,215,560 = 3,215,560 : x
2. Step 2: Convert to fraction form
   2,071,972/3,215,560 = 3,215,560/x
3. Step 3: Cross multiply
   2,071,972x = 3,215,560 × 3,215,560
4. Step 4: Simplify right side
   2,071,972x = 10,339,826,113,600
5. Step 5: Solve for x
   x = 10,339,826,113,600/2,071,972
6. Step 6: Final answer
   x = 4,990,331.01