Finding the Third Proportional to 3,709,344 and 7,817,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,344 : 7,817,216 = 7,817,216 : x
2. Step 2: Convert to fraction form
   3,709,344/7,817,216 = 7,817,216/x
3. Step 3: Cross multiply
   3,709,344x = 7,817,216 × 7,817,216
4. Step 4: Simplify right side
   3,709,344x = 61,108,865,990,656
5. Step 5: Solve for x
   x = 61,108,865,990,656/3,709,344
6. Step 6: Final answer
   x = 16,474,305.43