Finding the Third Proportional to 3,817,251 and 8,320,374

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,251 : 8,320,374 = 8,320,374 : x
2. Step 2: Convert to fraction form
   3,817,251/8,320,374 = 8,320,374/x
3. Step 3: Cross multiply
   3,817,251x = 8,320,374 × 8,320,374
4. Step 4: Simplify right side
   3,817,251x = 69,228,623,499,876
5. Step 5: Solve for x
   x = 69,228,623,499,876/3,817,251
6. Step 6: Final answer
   x = 18,135,727.39