Finding the Third Proportional to 2,129,562 and 3,216,523

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,562 : 3,216,523 = 3,216,523 : x
2. Step 2: Convert to fraction form
   2,129,562/3,216,523 = 3,216,523/x
3. Step 3: Cross multiply
   2,129,562x = 3,216,523 × 3,216,523
4. Step 4: Simplify right side
   2,129,562x = 10,346,020,209,529
5. Step 5: Solve for x
   x = 10,346,020,209,529/2,129,562
6. Step 6: Final answer
   x = 4,858,285.51