Finding the Third Proportional to 1,401,780 and 2,196,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,780 : 2,196,088 = 2,196,088 : x
2. Step 2: Convert to fraction form
   1,401,780/2,196,088 = 2,196,088/x
3. Step 3: Cross multiply
   1,401,780x = 2,196,088 × 2,196,088
4. Step 4: Simplify right side
   1,401,780x = 4,822,802,503,744
5. Step 5: Solve for x
   x = 4,822,802,503,744/1,401,780
6. Step 6: Final answer
   x = 3,440,484.60