Finding the Third Proportional to 3,663,819 and 7,814,565

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,819 : 7,814,565 = 7,814,565 : x
2. Step 2: Convert to fraction form
   3,663,819/7,814,565 = 7,814,565/x
3. Step 3: Cross multiply
   3,663,819x = 7,814,565 × 7,814,565
4. Step 4: Simplify right side
   3,663,819x = 61,067,426,139,225
5. Step 5: Solve for x
   x = 61,067,426,139,225/3,663,819
6. Step 6: Final answer
   x = 16,667,697.32