Finding the Third Proportional to 2,187,508 and 3,423,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,508 : 3,423,740 = 3,423,740 : x
2. Step 2: Convert to fraction form
   2,187,508/3,423,740 = 3,423,740/x
3. Step 3: Cross multiply
   2,187,508x = 3,423,740 × 3,423,740
4. Step 4: Simplify right side
   2,187,508x = 11,721,995,587,600
5. Step 5: Solve for x
   x = 11,721,995,587,600/2,187,508
6. Step 6: Final answer
   x = 5,358,606.96