Finding the Third Proportional to 3,488,834 and 7,723,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488,834 : 7,723,780 = 7,723,780 : x
2. Step 2: Convert to fraction form
   3,488,834/7,723,780 = 7,723,780/x
3. Step 3: Cross multiply
   3,488,834x = 7,723,780 × 7,723,780
4. Step 4: Simplify right side
   3,488,834x = 59,656,777,488,400
5. Step 5: Solve for x
   x = 59,656,777,488,400/3,488,834
6. Step 6: Final answer
   x = 17,099,345.37