Finding the Third Proportional to 3,709,326 and 7,817,172

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,326 : 7,817,172 = 7,817,172 : x
2. Step 2: Convert to fraction form
   3,709,326/7,817,172 = 7,817,172/x
3. Step 3: Cross multiply
   3,709,326x = 7,817,172 × 7,817,172
4. Step 4: Simplify right side
   3,709,326x = 61,108,178,077,584
5. Step 5: Solve for x
   x = 61,108,178,077,584/3,709,326
6. Step 6: Final answer
   x = 16,474,199.92