Finding the Third Proportional to 2,137,806 and 3,209,523

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137,806 : 3,209,523 = 3,209,523 : x
2. Step 2: Convert to fraction form
   2,137,806/3,209,523 = 3,209,523/x
3. Step 3: Cross multiply
   2,137,806x = 3,209,523 × 3,209,523
4. Step 4: Simplify right side
   2,137,806x = 10,301,037,887,529
5. Step 5: Solve for x
   x = 10,301,037,887,529/2,137,806
6. Step 6: Final answer
   x = 4,818,509.20