Finding the Third Proportional to 3,709,384 and 7,817,288

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,384 : 7,817,288 = 7,817,288 : x
2. Step 2: Convert to fraction form
   3,709,384/7,817,288 = 7,817,288/x
3. Step 3: Cross multiply
   3,709,384x = 7,817,288 × 7,817,288
4. Step 4: Simplify right side
   3,709,384x = 61,109,991,674,944
5. Step 5: Solve for x
   x = 61,109,991,674,944/3,709,384
6. Step 6: Final answer
   x = 16,474,431.25