Finding the Third Proportional to 2,320,780 and 3,547,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320,780 : 3,547,870 = 3,547,870 : x
2. Step 2: Convert to fraction form
   2,320,780/3,547,870 = 3,547,870/x
3. Step 3: Cross multiply
   2,320,780x = 3,547,870 × 3,547,870
4. Step 4: Simplify right side
   2,320,780x = 12,587,381,536,900
5. Step 5: Solve for x
   x = 12,587,381,536,900/2,320,780
6. Step 6: Final answer
   x = 5,423,771.98